ST(n) - phpMan

IDNA::Punycode (3pm) - encodes Unicode string in Punycode
ok (3pm)             - Alternative to Test::More::use_ok
Test2 (3pm)          - Framework for writing test tools that all work together.
Test2::API (3pm)     - Primary interface for writing Test2 based testing tools.
Test2::API::Breakage (3pm) - What breaks at what version
Test2::API::Context (3pm) - Object to represent a testing context.
Test2::API::Instance (3pm) - Object used by Test2::API under the hood
Test2::API::Stack (3pm) - Object to manage a stack of Test2::Hub instances.
Test2::Event (3pm)   - Base class for events
Test2::Event::Bail (3pm) - Bailout!
Test2::Event::Diag (3pm) - Diag event type
Test2::Event::Encoding (3pm) - Set the encoding for the output stream
Test2::Event::Exception (3pm) - Exception event
Test2::Event::Fail (3pm) - Event for a simple failed assertion
Test2::Event::Generic (3pm) - Generic event type.
Test2::Event::Note (3pm) - Note event type
Test2::Event::Ok (3pm) - Ok event type
Test2::Event::Pass (3pm) - Event for a simple passing assertion
Test2::Event::Plan (3pm) - The event of a plan
Test2::Event::Skip (3pm) - Skip event type
Test2::Event::Subtest (3pm) - Event for subtest types
Test2::Event::TAP::Version (3pm) - Event for TAP version.
Test2::Event::V2 (3pm) - Second generation event.
Test2::Event::Waiting (3pm) - Tell all procs/threads it is time to be done
Test2::EventFacet (3pm) - Base class for all event facets.
Test2::EventFacet::About (3pm) - Facet with event details.
Test2::EventFacet::Amnesty (3pm) - Facet for assertion amnesty.
Test2::EventFacet::Assert (3pm) - Facet representing an assertion.
Test2::EventFacet::Control (3pm) - Facet for hub actions and behaviors.
Test2::EventFacet::Error (3pm) - Facet for errors that need to be shown.
Test2::EventFacet::Hub (3pm) - Facet for the hubs an event passes through.
Test2::EventFacet::Info (3pm) - Facet for information a developer might care ...
Test2::EventFacet::Info::Table (3pm) - Intermediary representation of a table.
Test2::EventFacet::Meta (3pm) - Facet for meta-data
Test2::EventFacet::Parent (3pm) - Facet for events contains other events
Test2::EventFacet::Plan (3pm) - Facet for setting the plan
Test2::EventFacet::Render (3pm) - Facet that dictates how to render an event.
Test2::EventFacet::Trace (3pm) - Debug information for events
Test2::Formatter (3pm) - Namespace for formatters.
Test2::Formatter::TAP (3pm) - Standard TAP formatter
Test2::Hub (3pm)     - The conduit through which all events flow.
Test2::Hub::Interceptor (3pm) - Hub used by interceptor to grab results.
Test2::Hub::Interceptor::Terminator (3pm) - Exception class used by Test2::Hu...
Test2::Hub::Subtest (3pm) - Hub used by subtests
Test2::IPC (3pm)     - Turn on IPC for threading or forking support.
Test2::IPC::Driver (3pm) - Base class for Test2 IPC drivers.
Test2::IPC::Driver::Files (3pm) - Temp dir + Files concurrency model.
Test2::Tools::Tiny (3pm) - Tiny set of tools for unfortunate souls who cannot...
Test2::Transition (3pm) - Transition notes when upgrading to Test2
Test2::Util (3pm)    - Tools used by Test2 and friends.
Test2::Util::ExternalMeta (3pm) - Allow third party tools to safely attach me...
Test2::Util::Facets2Legacy (3pm) - Convert facet data to the legacy event API.
Test2::Util::HashBase (3pm) - Build hash based classes.
Test2::Util::Trace (3pm) - Legacy wrapper fro Test2::EventFacet::Trace.
Test::Builder (3pm)  - Backend for building test libraries
Test::Builder::Formatter (3pm) - Test::Builder subclass of Test2::Formatter::TAP
Test::Builder::IO::Scalar (3pm) - A copy of IO::Scalar for Test::Builder
Test::Builder::Module (3pm) - Base class for test modules
Test::Builder::Tester (3pm) - test testsuites that have been built with Test:...
Test::Builder::Tester::Color (3pm) - turn on colour in Test::Builder::Tester
Test::Builder::TodoDiag (3pm) - Test::Builder subclass of Test2::Event::Diag
Test::More (3pm)     - yet another framework for writing test scripts
Test::Simple (3pm)   - Basic utilities for writing tests.
Test::Tester (3pm)   - Ease testing test modules built with Test::Builder
Test::Tester::Capture (3pm) - Help testing test modules built with Test::Builder
Test::Tester::CaptureRunner (3pm) - Help testing test modules built with Test...
Test::Tutorial (3pm) - A tutorial about writing really basic tests
Test::use::ok (3pm)  - Alternative to Test::More::use_ok
.k5login (5)         - Kerberos V5 acl file for host access
hosts.equiv (5)      - list of hosts and users that are granted "trusted" r c...
odbcinst.ini (5)     - An unixODBC drivers configuration
Errno (3pm)          - System errno constants
Git (3pm)            - Perl interface to the Git version control system
DBD::mysql::INSTALL (3pm) - How to install and configure DBD::mysql
NAN (3)              - floating-point constants
Socket (3pm)         - networking constants and support functions
Test (3pm)           - provides a simple framework for writing test scripts
__fbufsize (3)       - interfaces to stdio FILE structure
__flbf (3)           - interfaces to stdio FILE structure
__fpending (3)       - interfaces to stdio FILE structure
__fpurge (3)         - purge a stream
__freadable (3)      - interfaces to stdio FILE structure
__freading (3)       - interfaces to stdio FILE structure
__fsetlocking (3)    - interfaces to stdio FILE structure
__fwritable (3)      - interfaces to stdio FILE structure
__fwriting (3)       - interfaces to stdio FILE structure
_flushlbf (3)        - interfaces to stdio FILE structure
_syscall (2)         - invoking a system call without library support (OBSOLETE)
_sysctl (2)          - read/write system parameters
a64l (3p)            - convert between a 32-bit integer and a radix-64 ASCII ...
access (5)           - Postfix SMTP server access table
acl (5)              - Access Control Lists
addmntent (3)        - get file system descriptor file entry
adjtime (3)          - correct the time to synchronize the system clock
afs_syscall (2)      - unimplemented system calls
aio_cancel (3)       - cancel an outstanding asynchronous I/O request
aio_cancel (3p)      - cancel an asynchronous I/O request (REALTIME)
aio_error (3)        - get error status of asynchronous I/O operation
aio_error (3p)       - retrieve errors status for an asynchronous I/O operati...
aio_return (3)       - get return status of asynchronous I/O operation
aio_return (3p)      - retrieve return status of an asynchronous I/O operatio...
aio_suspend (3p)     - wait for an asynchronous I/O request (REALTIME)
Algorithm::Diff (3pm) - Compute `intelligent' differences between two files /...
Algorithm::DiffOld (3pm) - Compute `intelligent' differences between two file...
aliases (5)          - Postfix local alias database format
aliases.postfix (5)  - Postfix local alias database format
anvil (8)            - Postfix session count and request rate control
App::cpanminus (3pm) - get, unpack, build and install modules from CPAN
App::Prove::State (3pm) - State storage for the "prove" command.
App::Prove::State::Result (3pm) - Individual test suite results.
App::Prove::State::Result::Test (3pm) - Individual test results.
arch_prctl (2)       - set architecture-specific thread state
Archive::Zip::FAQ (3pm) - Answers to a few frequently asked questions about A...
argz (3)             - functions to handle an argz list
argz_add (3)         - functions to handle an argz list
argz_add_sep (3)     - functions to handle an argz list
argz_append (3)      - functions to handle an argz list
argz_count (3)       - functions to handle an argz list
argz_create (3)      - functions to handle an argz list
argz_create_sep (3)  - functions to handle an argz list
argz_delete (3)      - functions to handle an argz list
argz_extract (3)     - functions to handle an argz list
argz_insert (3)      - functions to handle an argz list
argz_next (3)        - functions to handle an argz list
argz_replace (3)     - functions to handle an argz list
argz_stringify (3)   - functions to handle an argz list
arp (8)              - manipulate the system ARP cache
arping (8)           - send ARP REQUEST to a neighbour host
asctime (3p)         - convert date and time to a string
asctime_r (3p)       - convert date and time to a string
asprintf (3)         - print to allocated string
assert (3p)          - insert program diagnostics
assert_perror (3)    - test errnum and abort
atexit (3)           - register a function to be called at normal process ter...
atexit (3p)          - register a function to run at process termination
atof (3)             - convert a string to a double
atof (3p)            - convert a string to a double-precision number
atoi (3)             - convert a string to an integer
atoi (3p)            - convert a string to an integer
atol (3)             - convert a string to an integer
atol (3p)            - convert a string to a long integer
atoll (3)            - convert a string to an integer
atoll (3p)           - convert a string to a long integer
atoq (3)             - convert a string to an integer
audit.rules (7)      - a set of rules loaded in the kernel audit system
auditctl (8)         - a utility to assist controlling the kernel's audit system
aulast (8)           - a program similar to last
aulastlog (8)        - a program similar to lastlog
auth_destroy (3)     - library routines for remote procedure calls
autouse (3pm)        - postpone load of modules until a function is used
autrace (8)          - a program similar to strace
avcstat (8)          - Display SELinux AVC statistics
base (3pm)           - Establish an ISA relationship with base classes at com...
base64 (1)           - base64 encode/decode data and print to standard output
basename (1)         - strip directory and suffix from filenames
basename (3p)        - return the last component of a pathname
bdflush (2)          - start, flush, or tune buffer-dirty-flush daemon
bdftopcf (1)         - convert X font from Bitmap Distribution Format to Port...
be16toh (3)          - convert values between host and big-/little-endian byt...
be32toh (3)          - convert values between host and big-/little-endian byt...
be64toh (3)          - convert values between host and big-/little-endian byt...
Bit::Vector::String (3pm) - Generic string import/export for Bit::Vector
blib (3pm)           - Use MakeMaker's uninstalled version of a package
body_checks (5)      - Postfix built-in content inspection
booleans (8)         - Policy booleans enable runtime customization of SELinu...
bootup (7)           - System bootup process
bounce (5)           - Postfix bounce message template format
bounce (8)           - Postfix delivery status reports
break (2)            - unimplemented system calls
bstring (3)          - byte string operations
btrfs (5)            - topics about the BTRFS filesystem (mount options, supp...
btrfs (8)            - a toolbox to manage btrfs filesystems
btrfs-balance (8)    - balance block groups on a btrfs filesystem
btrfs-check (8)      - check or repair an unmounted btrfs filesystem
btrfs-convert (8)    - convert from ext2/3/4 filesystem to btrfs in-place
btrfs-device (8)     - manage devices of btrfs filesystems
btrfs-filesystem (8) - command group of btrfs that usually work on the whole ...
btrfs-image (8)      - create/restore an image of the filesystem
btrfs-property (8)   - get/set/list properties for given btrfs object.
btrfs-qgroup (8)     - control the quota group of a btrfs filesystem
btrfs-quota (8)      - control the global quota status of a btrfs filesystem
btrfs-receive (8)    - receive subvolumes from send stream
btrfs-rescue (8)     - Recover a damaged btrfs filesystem
btrfs-restore (8)    - try to restore files from a damaged btrfs filesystem i...
btrfs-scrub (8)      - scrub btrfs filesystem, verify block checksums
btrfs-send (8)       - generate a stream of changes between two subvolumes
btrfs-zero-log (8)   - Recover a damaged btrfs filesystem
btrfsck (8)          - check or repair an unmounted btrfs filesystem
btrfstune (8)        - tune various filesystem parameters
Bundle::DBD::mysql (3pm) - A bundle to install Perl drivers for MySQL
Bundle::DBI (3pm)    - A bundle to install DBI and required modules.
Bundle::PlRPC (3pm)  - A bundle to install PlRPC-Server, Client and prerequis...
Business::ISBN (3pm) - work with International Standard Book Numbers
Business::ISBN10 (3pm) - work with 10 digit International Standard Book Numbers
Business::ISBN13 (3pm) - work with 13 digit International Standard Book Numbers
byteorder (3)        - convert values between host and network byte order
bzcat (1)            - decompresses files to stdout
c2ph (1)             - Dump C structures as generated from "cc - g - S" stabs
c99 (1p)             - compile standard C programs
ca-legacy (8)        - Manage the system configuration for legacy CA certific...
cache_dump (8)       - dump cache metadata from device or file to standard ou...
cache_metadata_size (8) - Estimate the size of the metadata device needed for...
cache_restore (8)    - restore cache metadata file to device or file.
cacheflush (2)       - flush contents of instruction and/or data cache
canonical (5)        - Postfix canonical table format
cat (1)              - concatenate files and print on the standard output
cbc_crypt (3)        - fast DES encryption
ceil (3)             - ceiling function: smallest integral value not less tha...
ceilf (3)            - ceiling function: smallest integral value not less tha...
ceill (3)            - ceiling function: smallest integral value not less tha...
CGI (3pm)            - Handle Common Gateway Interface requests and responses
CGI::Fast (3pm)      - CGI Interface for Fast CGI
chacl (1)            - change the access control list of a file or directory
chattr (1)           - change file attributes on a Linux file system
chkconfig (8)        - updates and queries runlevel information for system se...
cidr_table (5)       - format of Postfix CIDR tables
ciphers (1ssl)       - SSL cipher display and cipher list tool.
CIRCLEQ_ENTRY (3)    - implementations of lists, tail queues, and circular qu...
CIRCLEQ_HEAD (3)     - implementations of lists, tail queues, and circular qu...
CIRCLEQ_INIT (3)     - implementations of lists, tail queues, and circular qu...
CIRCLEQ_INSERT_AFTER (3) - implementations of lists, tail queues, and circula...
CIRCLEQ_INSERT_BEFORE (3) - implementations of lists, tail queues, and circul...
CIRCLEQ_INSERT_HEAD (3) - implementations of lists, tail queues, and circular...
CIRCLEQ_INSERT_TAIL (3) - implementations of lists, tail queues, and circular...
CIRCLEQ_REMOVE (3)   - implementations of lists, tail queues, and circular qu...
Class::Struct (3pm)  - declare struct-like datatypes as Perl classes
cleanup (8)          - canonicalize and enqueue Postfix message
clearerr (3)         - check and reset stream status
clearerr (3p)        - clear indicators on a stream
clearerr_unlocked (3) - nonlocking stdio functions
clnt_broadcast (3)   - library routines for remote procedure calls
clnt_destroy (3)     - library routines for remote procedure calls
clockdiff (8)        - measure clock difference between hosts
closedir (3p)        - close a directory stream
closelog (3)         - send messages to the system logger
closelog (3p)        - control system log
CMSG_FIRSTHDR (3)    - access ancillary data
column (1)           - columnate lists
compare (1)          - mathematically and visually annotate the difference be...
confstr (3)          - get configuration dependent string variables
confstr (3p)         - get configurable variables
cons.saver (8)       - general-purpose Linux console screen save and restore ...
console.perms (5)    - permissions control file for users at the system console
consoletype (1)      - print type of the console connected to standard input
constant (3pm)       - Perl pragma to declare constants
coredump.conf (5)    - Coredump storage configuration files
coredump.conf.d (5)  - Coredump storage configuration files
corelist (1)         - a commandline frontend to Module::CoreList
CPAN::Distroprefs (3pm) - - read and match distroprefs
CPAN::FirstTime (3pm) - Utility for CPAN::Config file Initialization
CPAN::Meta (3pm)     - the distribution metadata for a CPAN dist
CPAN::Meta::Converter (3pm) - Convert CPAN distribution metadata structures
CPAN::Meta::Feature (3pm) - an optional feature provided by a CPAN distribution
CPAN::Meta::History (3pm) - history of CPAN Meta Spec changes
CPAN::Meta::Prereqs (3pm) - a set of distribution prerequisites by phase and ...
CPAN::Meta::Requirements (3pm) - a set of version requirements for a CPAN dist
CPAN::Meta::Spec (3pm) - specification for CPAN distribution metadata
CPAN::Meta::Validator (3pm) - validate CPAN distribution metadata structures
CPAN::Mirrors (3pm)  - Get CPAN miror information and select a fast one
cpanm (1)            - get, unpack build and install modules from CPAN
cpupower-monitor (1) - Report processor frequency and idle statistics
creat (3p)           - create a new file or rewrite an existing one
crl2pkcs7 (1ssl)     - Create a PKCS#7 structure from a CRL and certificates.
crlutil (1)          - List, generate, modify, or delete CRLs within the NSS ...
crypt (3p)           - string encoding function (CRYPT)
Crypt::OpenSSL::Bignum::CTX (3pm) - Perl interface to the OpenSSL BN_CTX stru...
ctime (3p)           - convert a time value to a date and time string
ctime_r (3p)         - convert a time value to a date and time string
ctstat (8)           - unified linux network statistics
customizable_types (5) - The SELinux customizable types configuration file
daemon (7)           - Writing and packaging system daemons
Data::Dumper (3pm)   - stringified perl data structures, suitable for both pr...
date (1)             - print or set the system date and time
Date::Parse (3pm)    - Parse date strings into time values
db_deadlock (1)      - Detect deadlocks and abort lock requests
db_load (1)          - Read and load data from standard input
db_recover (1)       - Recover the database to a consistent state
db_stat (1)          - Display environment statistics
db_verify (1)        - Verify the database structure
DBD::Gofer (3pm)     - A stateless-proxy driver for communicating with a remo...
DBD::Gofer::Transport::null (3pm) - DBD::Gofer client transport for testing
DBD::Gofer::Transport::pipeone (3pm) - DBD::Gofer client transport for testing
DBD::Gofer::Transport::stream (3pm) - DBD::Gofer transport for stdio streaming
DBD::Sponge (3pm)    - Create a DBI statement handle from Perl data
DBI::Const::GetInfo::ANSI (3pm) - ISO/IEC SQL/CLI Constants for GetInfo
DBI::Const::GetInfo::ODBC (3pm) - ODBC Constants for GetInfo
DBI::Const::GetInfoReturn (3pm) - Data and functions for describing GetInfo r...
DBI::Const::GetInfoType (3pm) - Data describing GetInfo type codes
DBI::FAQ (3pm)       - - The Frequently Asked Questions for the Perl5 Databas...
DBI::Gofer::Execute (3pm) - Executes Gofer requests and returns Gofer responses
DBI::Gofer::Request (3pm) - Encapsulate a request from DBD::Gofer to DBI::Gof...
DBI::Gofer::Serializer::Storable (3pm) - Gofer serialization using Storable
DBI::Gofer::Transport::stream (3pm) - DBD::Gofer server-side transport for st...
DBI::Util::CacheMemory (3pm) - a very fast but very minimal subset of Cache::...
dbilogstrip (1)      - filter to normalize DBI trace logs for diff'ing
dbm_firstkey (3p)    - database functions
dbm_store (3p)       - database functions
dbus-run-session (1) - start a process as a new D-Bus session
dbus-test-tool (1)   - D-Bus traffic generator and test tool
debugfs (8)          - ext2/ext3/ext4 file system debugger
debuginfo-install (1) - install debuginfo packages and their dependencies
defer (8)            - Postfix delivery status reports
derdump (1)          - Dumps C-sequence strings from a DER encoded certificat...
des_crypt (3)        - fast DES encryption
DES_FAILED (3)       - fast DES encryption
des_setparity (3)    - fast DES encryption
Devel::SelfStubber (3pm) - generate stubs for a SelfLoading module
devlink-monitor (8)  - state monitoring
df (1)               - report file system disk space usage
dgst (1ssl)          - message digests
dhclient (8)         - Dynamic Host Configuration Protocol Client
dhcp-options (5)     - Dynamic Host Configuration Protocol options
splain (1)           - produce verbose warning diagnostics
diagnostics (3pm)    - produce verbose warning diagnostics
Digest (3pm)         - Modules that calculate message digests
Digest::base (3pm)   - Digest base class
Digest::file (3pm)   - Calculate digests of files
Digest::HMAC (3pm)   - Keyed-Hashing for Message Authentication
Digest::HMAC_MD5 (3pm) - Keyed-Hashing for Message Authentication
Digest::HMAC_SHA1 (3pm) - Keyed-Hashing for Message Authentication
Digest::MD5 (3pm)    - Perl interface to the MD5 Algorithm
Digest::SHA (3pm)    - Perl extension for SHA-1/224/256/384/512
Digest::SHA1 (3pm)   - Perl interface to the SHA-1 algorithm
dir (1)              - list directory contents
dirfd (3)            - get directory stream file descriptor
dirname (1)          - strip last component from file name
discard (8)          - Postfix discard mail delivery agent
dl_iterate_phdr (3)  - walk through list of shared objects
dlerror (3p)         - get diagnostic information
dltest (1)           - A simple library symbol test
dmstats (8)          - device-mapper statistics management
dnsblog (8)          - Postfix DNS white/blacklist logger
dnsdomainname (1)    - show the system's DNS domain name
dnssec-checkds (8)   - DNSSEC delegation consistency checking tool
dnssec-importkey (8) - import DNSKEY records from external systems so they ca...
domainname (1)       - show or set the system's NIS/YP domain name
dosfsck (8)          - check and repair MS-DOS filesystems
doveadm (1)          - Dovecot's administration utility
doveadm-acl (1)      - Manage Access Control List (ACL)
doveadm-altmove (1)  - Move matching mails to the alternative storage (dbox-o...
doveadm-auth (1)     - Flush/lookup/test authentication data
doveadm-fs (1)       - Interact with the abstract mail storage filesystem
doveadm-instance (1) - Manage the list of running Dovecot instances
doveadm-log (1)      - Locate, test or reopen Dovecot's log files
doveadm-reload (1)   - Dovecot's administration utility
doveadm-search (1)   - Show a list of mailbox GUIDs and message UIDs matching...
doveadm-stats (1)    - Inspect or reset stats
doveadm-stop (1)     - Dovecot's administration utility
dovecot-sysreport (1) - Dovecot's system report utility
dracut-pre-udev.service (8) - runs the dracut hooks before udevd is started
drand48 (3)          - generate uniformly distributed pseudo-random numbers
drand48 (3p)         - generate uniformly distributed pseudo-random numbers
drand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
dss1 (1ssl)          - message digests
dtrace (1)           - Dtrace compatible user application static probe genera...
du (1)               - estimate file space usage
du (1p)              - estimate file space usage
dumpe2fs (8)         - dump ext2/ext3/ext4 filesystem information
dvipdf (1)           - Convert TeX DVI file to PDF using ghostscript and dvips
e2fsck (8)           - check a Linux ext2/ext3/ext4 file system
e2image (8)          - Save critical ext2/ext3/ext4 filesystem metadata to a ...
e2label (8)          - Change the label on an ext2/ext3/ext4 filesystem
e2undo (8)           - Replay an undo log for an ext2/ext3/ext4 filesystem
e4defrag (8)         - online defragmenter for ext4 filesystem
ecb_crypt (3)        - fast DES encryption
echo (1p)            - write arguments to standard output
ecvt (3)             - convert a floating-point number to a string
ecvt (3p)            - convert a floating-point number to a string (LEGACY)
ecvt_r (3)           - convert a floating-point number to a string
Email::Date::Format (3pm) - produce RFC 2822 date strings
Encode::CJKConstants (3pm) - - Internally used by Encode::??::ISO_2022_*
Encode::GSM0338 (3pm) - - ESTI GSM 03.38 Encoding
endfsent (3)         - handle fstab entries
endhostent (3)       - get network host entry
endhostent (3p)      - network host database functions
endian (3)           - convert values between host and big-/little-endian byt...
endmntent (3)        - get file system descriptor file entry
envsubst (1)         - substitutes environment variables in shell format strings
envz (3)             - environment string support
envz_add (3)         - environment string support
envz_entry (3)       - environment string support
envz_get (3)         - environment string support
envz_merge (3)       - environment string support
envz_remove (3)      - environment string support
envz_strip (3)       - environment string support
eps2eps (1)          - Ghostscript PostScript "distiller"
era_dump (8)         - dump era metadata from device or file to standard output.
era_invalidate (8)   - Provide a list of blocks that have changed since a par...
era_restore (8)      - restore era metadata file to device or file.
erand48 (3)          - generate uniformly distributed pseudo-random numbers
erand48 (3p)         - generate uniformly distributed pseudo-random numbers
erand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
errno (3)            - number of last error
errno.h (0p)         - system error numbers
error (8)            - Postfix error/retry mail delivery agent
errstr (1ssl)        - lookup error codes
ether_hostton (3)    - Ethernet address manipulation routines
ether_ntohost (3)    - Ethernet address manipulation routines
eval (1p)            - construct command by concatenating arguments
ext2 (5)             - the second extended file system
ext3 (5)             - the third extended file system
ext4 (5)             - the fourth extended file system
ExtUtils::Constant (3pm) - generate XS code to import C header constants
ExtUtils::Constant::Base (3pm) - base class for ExtUtils::Constant objects
ExtUtils::Constant::Utils (3pm) - helper functions for ExtUtils::Constant
ExtUtils::Constant::XS (3pm) - generate C code for XS modules' constants.
ExtUtils::Install (3pm) - install files from here to there
ExtUtils::Installed (3pm) - Inventory management of installed modules
ExtUtils::Liblist (3pm) - determine libraries to use and how to use them
ExtUtils::MakeMaker::FAQ (3pm) - Frequently Asked Questions About MakeMaker
ExtUtils::Manifest (3pm) - utilities to write and check a MANIFEST file
ExtUtils::Mkbootstrap (3pm) - make a bootstrap file for use by DynaLoader
ExtUtils::Mksymlists (3pm) - write linker options files for dynamic extension
ExtUtils::MM (3pm)   - OS adjusted ExtUtils::MakeMaker subclass
ExtUtils::MM_Any (3pm) - Platform-agnostic MM methods
ExtUtils::MM_Win95 (3pm) - method to customize MakeMaker for Win9X
ExtUtils::MY (3pm)   - ExtUtils::MakeMaker subclass for customization
ExtUtils::Packlist (3pm) - manage .packlist files
ExtUtils::ParseXS::Constants (3pm) - Initialization values for some globals
ExtUtils::testlib (3pm) - add blib/* directories to @INC
fail2ban-regex (1)   - test Fail2ban "failregex" option
fail2ban-server (1)  - start the server
fail2ban-testcases (1) - run Fail2Ban unit-tests
fatlabel (8)         - set or get MS-DOS filesystem label
fattach (2)          - unimplemented system calls
fattach (3p)         - attach a STREAMS-based file descriptor to a file in th...
fc (1p)              - process the command history list
fc-conflist (1)      - Show the ruleset files information on the system
fc-list (1)          - list available fonts
FCGI (3pm)           - Fast CGI module
fcgistarter (8)      - Start a FastCGI program
fclose (3)           - close a stream
fclose (3p)          - close a stream
fcloseall (3)        - close all open streams
fcvt (3)             - convert a floating-point number to a string
fcvt (3p)            - convert a floating-point number to a string (LEGACY)
fcvt_r (3)           - convert a floating-point number to a string
fdatasync (2)        - synchronize a file's in-core state with storage device
fdetach (2)          - unimplemented system calls
fdetach (3p)         - detach a name from a STREAMS-based file descriptor (ST...
fdopen (3)           - stream open functions
fdopen (3p)          - associate a stream with a file descriptor
feature_test_macros (7) - feature test macros
fegetexceptflag (3p) - get and set floating-point status flags
feof (3)             - check and reset stream status
feof (3p)            - test end-of-file indicator on a stream
feof_unlocked (3)    - nonlocking stdio functions
ferror (3)           - check and reset stream status
ferror (3p)          - test error indicator on a stream
ferror_unlocked (3)  - nonlocking stdio functions
fesetexceptflag (3p) - get and set floating-point status flags
fetestexcept (3)     - floating-point rounding and exception handling
fetestexcept (3p)    - test floating-point exception flags
fflush (3)           - flush a stream
fflush (3p)          - flush a stream
fflush_unlocked (3)  - nonlocking stdio functions
ffs (3)              - find first bit set in a word
ffs (3p)             - find first set bit
ffsl (3)             - find first bit set in a word
ffsll (3)            - find first bit set in a word
fgetc (3)            - input of characters and strings
fgetc (3p)           - get a byte from a stream
fgetc_unlocked (3)   - nonlocking stdio functions
fgetpos (3)          - reposition a stream
fgets (3)            - input of characters and strings
fgets (3p)           - get a string from a stream
fgets_unlocked (3)   - nonlocking stdio functions
fgetwc (3)           - read a wide character from a FILE stream
fgetwc (3p)          - get a wide-character code from a stream
fgetwc_unlocked (3)  - nonlocking stdio functions
fgetws (3)           - read a wide-character string from a FILE stream
fgetws (3p)          - get a wide-character string from a stream
fgetws_unlocked (3)  - nonlocking stdio functions
fifo (7)             - first-in first-out special file, named pipe
file-hierarchy (7)   - File system hierarchy overview
File::Listing (3pm)  - parse directory listing
File::stat (3pm)     - by-name interface to Perl's built-in stat() functions
file_contexts.subs_dist (5) - userspace SELinux labeling interface and config...
FileCache (3pm)      - keep more files open than the system permits
fileno (3)           - check and reset stream status
fileno (3p)          - map a stream pointer to a file descriptor
fileno_unlocked (3)  - nonlocking stdio functions
filesystems (5)      - Linux file-system types: minix, ext, ext2, ext3, ext4,...
filetest (3pm)       - Perl pragma to control the filetest permission operators
find-repos-of-install (1) - report which Yum repository a package was install...
findfs (8)           - find a filesystem by label or UUID
findmnt (8)          - find a filesystem
flockfile (3)        - lock FILE for stdio
flockfile (3p)       - stdio locking functions
floor (3)            - largest integral value not greater than argument
floorf (3)           - largest integral value not greater than argument
floorl (3)           - largest integral value not greater than argument
flush (8)            - Postfix fast flush server
fmemopen (3)         - open memory as stream
fmtmsg (3p)          - display a message in the specified format on standard ...
fmtmsg.h (0p)        - message display structures
fopen (3)            - stream open functions
fopen (3p)           - open a stream
fopencookie (3)      - opening a custom stream
fpurge (3)           - purge a stream
fputc (3)            - output of characters and strings
fputc (3p)           - put a byte on a stream
fputc_unlocked (3)   - nonlocking stdio functions
fputs (3)            - output of characters and strings
fputs (3p)           - put a string on a stream
fputs_unlocked (3)   - nonlocking stdio functions
fputwc (3)           - write a wide character to a FILE stream
fputwc (3p)          - put a wide-character code on a stream
fputwc_unlocked (3)  - nonlocking stdio functions
fputws (3)           - write a wide-character string to a FILE stream
fputws (3p)          - put a wide-character string on a stream
fputws_unlocked (3)  - nonlocking stdio functions
fread (3)            - binary stream input/output
fread_unlocked (3)   - nonlocking stdio functions
free (1)             - Display amount of free and used memory in the system
freehostent (3)      - get network hostnames and addresses
freopen (3)          - stream open functions
freopen (3p)         - open a stream
fs (5)               - Linux file-system types: minix, ext, ext2, ext3, ext4,...
fsadm (8)            - utility to resize or check filesystem on a device
fsck (8)             - check and repair a Linux filesystem
fsck.cramfs (8)      - fsck compressed ROM file system
fsck.ext2 (8)        - check a Linux ext2/ext3/ext4 file system
fsck.ext3 (8)        - check a Linux ext2/ext3/ext4 file system
fsck.ext4 (8)        - check a Linux ext2/ext3/ext4 file system
fsck.fat (8)         - check and repair MS-DOS filesystems
fsck.minix (8)       - check consistency of Minix filesystem
fsck.msdos (8)       - check and repair MS-DOS filesystems
fsck.vfat (8)        - check and repair MS-DOS filesystems
fseek (3)            - reposition a stream
fseek (3p)           - reposition a file-position indicator in a stream
fseeko (3p)          - reposition a file-position indicator in a stream
fsetpos (3)          - reposition a stream
fsf-funding-libstdc++-plesk-10.3.0 (7) - Funding Free Software
fsf-funding-libstdc++-plesk-12.2.0 (7) - Funding Free Software
fsf-funding-libstdc++-plesk-6.3.0 (7) - Funding Free Software
fsfreeze (8)         - suspend access to a filesystem (Linux Ext3/4, ReiserFS...
fstab (5)            - static information about the filesystems
fstat (2)            - get file status
fstat (3p)           - get file status
fstat64 (2)          - get file status
fstatat (2)          - get file status relative to a directory file descriptor
fstatat64 (2)        - get file status relative to a directory file descriptor
fstatfs (2)          - get file system statistics
fstatfs64 (2)        - get file system statistics
fstatvfs (2)         - get file system statistics
fstatvfs (3)         - get file system statistics
fstatvfs (3p)        - get file system information
fstrim (8)           - discard unused blocks on a mounted filesystem
fsync (2)            - synchronize a file's in-core state with storage device
ftell (3)            - reposition a stream
ftell (3p)           - return a file offset in a stream
ftello (3p)          - return a file offset in a stream
ftok (3)             - convert a pathname and a project identifier to a Syste...
ftpscrub (8)         - scrub the proftpd scoreboard file of stale entries
ftptop (1)           - display running status on proftpd server connections
ftpusers (5)         - list of users that may not log in via the FTP daemon
ftrylockfile (3)     - lock FILE for stdio
ftrylockfile (3p)    - stdio locking functions
funlockfile (3)      - lock FILE for stdio
funlockfile (3p)     - stdio locking functions
fuser (1p)           - list process IDs of all processes that have one or mor...
futex (2)            - fast user-space locking
futex (7)            - fast user-space locking
futimens (3)         - change file timestamps with nanosecond precision
futimes (3)          - change file timestamps
futimesat (2)        - change timestamps of a file relative to a directory fi...
fwide (3)            - set and determine the orientation of a FILE stream
fwide (3p)           - set stream orientation
fwrite (3)           - binary stream input/output
fwrite_unlocked (3)  - nonlocking stdio functions
gai_strerror (3)     - network address and service translation
gai_strerror (3p)    - address and name information error description
gcvt (3)             - convert a floating-point number to a string
gcvt (3p)            - convert a floating-point number to a string (LEGACY)
gdk-pixbuf-query-loaders (1) - GdkPixbuf loader registration utility
generic (5)          - Postfix generic table format
genhostid (1)        - generate and set a hostid for the current host
Geo::Mirror (3pm)    - Find closest Mirror
geoiplookup (1)      - look up country using IP Address or hostname
geoiplookup6 (1)     - look up country using IP Address or hostname
get_robust_list (2)  - get/set list of robust futexes
get_thread_area (2)  - get a thread-local storage (TLS) area
getc (3)             - input of characters and strings
getc (3p)            - get a byte from a stream
getc_unlocked (3)    - nonlocking stdio functions
getc_unlocked (3p)   - stdio with explicit client locking
getchar (3)          - input of characters and strings
getchar (3p)         - get a byte from a stdin stream
getchar_unlocked (3) - nonlocking stdio functions
getchar_unlocked (3p) - stdio with explicit client locking
getdate (3)          - convert a date-plus-time string to broken-down time
getdate_err (3)      - convert a date-plus-time string to broken-down time
getdate_r (3)        - convert a date-plus-time string to broken-down time
getdelim (3)         - delimited string input
getdirentries (3)    - get directory entries in a file system-independent format
getfacl (1)          - get file access control lists
getfsent (3)         - handle fstab entries
getfsfile (3)        - handle fstab entries
getfsspec (3)        - handle fstab entries
getgrouplist (3)     - get list of groups to which a user belongs
getgroups (2)        - get/set list of supplementary group IDs
getgroups32 (2)      - get/set list of supplementary group IDs
gethostbyaddr (3)    - get network host entry
gethostbyaddr (3p)   - network host database functions
gethostbyaddr_r (3)  - get network host entry
gethostbyname (3)    - get network host entry
gethostbyname (3p)   - network host database functions
gethostbyname2 (3)   - get network host entry
gethostbyname2_r (3) - get network host entry
gethostbyname_r (3)  - get network host entry
gethostent (3)       - get network host entry
gethostent (3p)      - network host database functions
gethostent_r (3)     - get network host entry
gethostid (2)        - get or set the unique identifier of the current host
gethostid (3)        - get or set the unique identifier of the current host
gethostid (3p)       - get an identifier for the current host
gethostname (2)      - get/set hostname
gethostname (3p)     - get name of current host
getipnodebyaddr (3)  - get network hostnames and addresses
getipnodebyname (3)  - get network hostnames and addresses
getline (3)          - delimited string input
getloadavg (3)       - get system load averages
getmntent (3)        - get file system descriptor file entry
getmntent_r (3)      - get file system descriptor file entry
getmsg (2)           - unimplemented system calls
getmsg (3p)          - receive next message from a STREAMS file (STREAMS)
Getopt::Std (3pm)    - Process single-character switches with switch clustering
getpmsg (2)          - unimplemented system calls
getpmsg (3p)         - receive next message from a STREAMS file (STREAMS)
getpt (3)            - open the pseudoterminal master (PTM)
getpw (3)            - reconstruct password line entry
gets (3)             - input of characters and strings
gets (3p)            - get a string from a stdin stream
getsubopt (3)        - parse suboption arguments from a string
getsubopt (3p)       - parse suboption arguments from a string
gettextize (1)       - install or upgrade gettext infrastructure
getutmp (3)          - copy utmp structure to utmpx, and vice versa
getutmpx (3)         - copy utmp structure to utmpx, and vice versa
getwc (3)            - read a wide character from a FILE stream
getwc (3p)           - get a wide character from a stream
getwc_unlocked (3)   - nonlocking stdio functions
getwchar (3)         - read a wide character from standard input
getwchar (3p)        - get a wide character from a stdin stream
getwchar_unlocked (3) - nonlocking stdio functions
gfdl-libstdc++-plesk-10.3.0 (7) - GNU Free Documentation License
gfdl-libstdc++-plesk-12.2.0 (7) - GNU Free Documentation License
gfdl-libstdc++-plesk-6.3.0 (7) - GNU Free Documentation License
ghostscript (1)      - Ghostscript (PostScript and PDF language interpreter a...
git (1)              - the stupid content tracker
git-blame (1)        - Show what revision and author last modified each line ...
git-branch (1)       - List, create, or delete branches
git-cherry (1)       - Find commits not merged upstream
git-cherry-pick (1)  - Apply the changes introduced by some existing commits
git-credential (1)   - Retrieve and store user credentials
git-credential-cache (1) - Helper to temporarily store passwords in memory
git-credential-cache--daemon (1) - Temporarily store user credentials in memory
git-credential-store (1) - Helper to store credentials on disk
git-describe (1)     - Show the most recent tag that is reachable from a commit
git-fast-export (1)  - Git data exporter
git-fast-import (1)  - Backend for fast Git data importers
git-imap-send (1)    - Send a collection of patches from stdin to an IMAP folder
git-index-pack (1)   - Build pack index file for an existing packed archive
git-init (1)         - Create an empty Git repository or reinitialize an exis...
git-lost-found (1)   - Recover lost refs that luckily have not yet been pruned
git-ls-remote (1)    - List references in a remote repository
git-ls-tree (1)      - List the contents of a tree object
git-merge (1)        - Join two or more development histories together
git-merge-base (1)   - Find as good common ancestors as possible for a merge
git-merge-one-file (1) - The standard helper program to use with git-merge-index
git-peek-remote (1)  - List the references in a remote repository
git-rebase (1)       - Forward-port local commits to the updated upstream head
git-remote-fd (1)    - Reflect smart transport stream back to caller
git-remote-testgit (1) - Example remote-helper
git-replace (1)      - Create, list, delete refs to replace objects
git-request-pull (1) - Generates a summary of pending changes
git-reset (1)        - Reset current HEAD to the specified state
git-rev-list (1)     - Lists commit objects in reverse chronological order
git-revert (1)       - Revert some existing commits
git-sh-i18n--envsubst (1) - Git's own envsubst(1) for i18n fallbacks
git-shell (1)        - Restricted login shell for Git-only SSH access
git-show-ref (1)     - List references in a local repository
git-stage (1)        - Add file contents to the staging area
git-stash (1)        - Stash the changes in a dirty working directory away
git-status (1)       - Show the working tree status
git-stripspace (1)   - Remove unnecessary whitespace
git-tag (1)          - Create, list, delete or verify a tag object signed wit...
git-update-index (1) - Register file contents in the working tree to the index
git-update-ref (1)   - Update the object name stored in a ref safely
glibc (7)            - overview of standard C libraries on Linux
gpasswd (1)          - administer /etc/group and /etc/gshadow
gpl-libstdc++-plesk-10.3.0 (7) - GNU General Public License
gpl-libstdc++-plesk-12.2.0 (7) - GNU General Public License
gpl-libstdc++-plesk-6.3.0 (7) - GNU General Public License
groff (1)            - front-end for the groff document formatting system
grops (1)            - PostScript driver for groff
groupmems (8)        - administer members of a user's primary group
groupmod (8)         - modify a group definition on the system
grp.h (0p)           - group structure
grub2-install (8)    - Install GRUB on a device.
grub2-menulst2cfg (1) - Convert a configuration file from GRUB 0.xx to GRUB 2...
grub2-mkstandalone (1) - Generate a standalone image in the selected format.
grub2-fstest (1)     - (unknown subject)
grub2-get-kernel-settings (3) - Evaluate the system's kernel installation set...
grub2-macbless (8)   - Mac-style bless utility for HFS or HFS+
gs (1)               - Ghostscript (PostScript and PDF language interpreter a...
gsbj (1)             - Format and print text for BubbleJet printer using ghos...
gsdj (1)             - Format and print text for DeskJet printer using ghosts...
gsdj500 (1)          - Format and print text for DeskJet 500 BubbleJet using ...
gslj (1)             - Format and print text for LaserJet printer using ghost...
gslp (1)             - Format and print text using ghostscript
gsnd (1)             - Run ghostscript (PostScript and PDF engine) without di...
gsoelim (1)          - interpret .so requests in groff input
gtroff (1)           - the troff processor of the groff text formatting system
gtty (2)             - unimplemented system calls
h_errno (3)          - get network host entry
hasmntopt (3)        - get file system descriptor file entry
hdestroy (3)         - hash table management
hdestroy (3p)        - manage hash search table
hdestroy_r (3)       - hash table management
head (1)             - output the first part of files
head (1p)            - copy the first part of files
header_checks (5)    - Postfix built-in content inspection
herror (3)           - get network host entry
hesinfo (1)          - find out what is stored in the Hesiod database
hier (7)             - description of the file system hierarchy
history (1)          - bash built-in commands, see bash(1)
host (1)             - DNS lookup utility
host.conf (5)        - resolver configuration file
hostid (1)           - print the numeric identifier for the current host
hostname (1)         - show or set the system's host name
hostname (5)         - Local hostname configuration file
hostname (7)         - hostname resolution description
hostnamectl (1)      - Control the system hostname
hosts (5)            - static table lookup for hostnames
hosts.allow (5)      - format of host access control files
hosts.deny (5)       - format of host access control files
hosts_access (5)     - format of host access control files
hosts_options (5)    - host access control language extensions
hstrerror (3)        - get network host entry
htdigest (1)         - manage user files for digest authentication
HTML::Entities (3pm) - Encode or decode strings with HTML entities
htobe16 (3)          - convert values between host and big-/little-endian byt...
htobe32 (3)          - convert values between host and big-/little-endian byt...
htobe64 (3)          - convert values between host and big-/little-endian byt...
htole16 (3)          - convert values between host and big-/little-endian byt...
htole32 (3)          - convert values between host and big-/little-endian byt...
htole64 (3)          - convert values between host and big-/little-endian byt...
htonl (3)            - convert values between host and network byte order
htonl (3p)           - convert values between host and network byte order
htons (3)            - convert values between host and network byte order
htons (3p)           - convert values between host and network byte order
HTTP::Config (3pm)   - Configuration for request and response objects
HTTP::Message (3pm)  - HTTP style message (base class)
HTTP::Request (3pm)  - HTTP style request message
HTTP::Request::Common (3pm) - Construct common HTTP::Request objects
HTTP::Response (3pm) - HTTP style response message
HTTP::Status (3pm)   - HTTP Status code processing
HUGE_VAL (3)         - floating-point constants
HUGE_VALF (3)        - floating-point constants
HUGE_VALL (3)        - floating-point constants
hunspell (1)         - spell checker, stemmer and morphological analyzer
hypot (3)            - Euclidean distance function
hypot (3p)           - Euclidean distance function
hypotf (3)           - Euclidean distance function
hypotf (3p)          - Euclidean distance function
hypotl (3)           - Euclidean distance function
hypotl (3p)          - Euclidean distance function
I18N::LangTags (3pm) - functions for dealing with RFC3066-style language tags
I18N::LangTags::List (3pm) - - tags and names for human languages
identify (1)         - describes the format and characteristics of one or mor...
ifcfg (8)            - simplistic script which replaces ifconfig IP management
ifstat (8)           - handy utility to read network interface statistics
inc::latest (3pm)    - use modules bundled in inc/ if they are newer than ins...
index (3)            - locate character in string
index (3p)           - character string operations (LEGACY)
INFINITY (3)         - floating-point constants
infokey (1)          - compile customizations for Info
init (1)             - systemd system and service manager
initgroups (3)       - initialize the supplementary group access list
initstate (3)        - random number generator
initstate (3p)       - pseudo-random number functions
initstate_r (3)      - reentrant random number generator
inotify (7)          - monitoring file system events
inotify_add_watch (2) - add a watch to an initialized inotify instance
inotify_init (2)     - initialize an inotify instance
inotify_init1 (2)    - initialize an inotify instance
inotify_rm_watch (2) - remove an existing watch from an inotify instance
install (1)          - copy files and set attributes
install-info (1)     - update info/dir entries
installkernel (8)    - tool to script kernel installation
instmodsh (1)        - A shell to examine installed modules
integer (3pm)        - Perl pragma to use integer arithmetic instead of float...
intro (2)            - introduction to system calls
intro (8)            - introduction to administration and privileged commands
IO::Compress::FAQ (3pm) - - Frequently Asked Questions about IO::Compress
IO::Poll (3pm)       - Object interface to system poll call
IO::Select (3pm)     - OO interface to the select system call
IO::Socket::SSL::Utils (3pm) - - loading, storing, creating certificates and ...
IO::Zlib (3pm)       - IO:: style interface to Compress::Zlib
io_cancel (2)        - cancel an outstanding asynchronous I/O operation
io_destroy (2)       - destroy an asynchronous I/O context
ioctl (3p)           - control a STREAMS device (STREAMS)
ioctl_list (2)       - list of ioctl calls in Linux/i386 kernel
ip-l2tp (8)          - L2TPv3 static unmanaged tunnel configuration
ip-maddress (8)      - multicast addresses management
ip-monitor (8)       - state monitoring
ip-mroute (8)        - multicast routing cache management
ip-vrf (8)           - run a command against a vrf
ip6tables (8)        - administration tool for IPv4/IPv6 packet filtering and...
ip6tables-restore (8) - Restore IPv6 Tables
ip6tables-save (8)   - dump iptables rules to stdout
ipc (2)              - System V IPC system calls
ipc (5)              - System V interprocess communication mechanisms
ipc.h (0p)           - XSI interprocess communication access structure
IPC::Cmd (3pm)       - finding and running system commands made easy
IPC::SysV (3pm)      - System V IPC constants and system calls
ipcs (1p)            - report XSI interprocess communication facilities status
ipmaddr (8)          - adds, deletes, and displays multicast addresses
iprconfig (8)        - IBM Power RAID storage adapter configuration/recovery ...
iprdbg (8)           - IBM Power RAID storage adapter debug utility
ipset (8)            - administration tool for IP sets
iptables (8)         - administration tool for IPv4/IPv6 packet filtering and...
iptables-extensions (8) - list of extensions in the standard iptables distrib...
iptables-restore (8) - Restore IP Tables
iptables-save (8)    - dump iptables rules to stdout
irqbalance (1)       - distribute hardware interrupts across processors on a ...
iruserok (3)         - routines for returning a stream to a remote command
iruserok_af (3)      - routines for returning a stream to a remote command
isalnum (3p)         - test for an alphanumeric character
isalpha (3p)         - test for an alphabetic character
isascii (3p)         - test for a 7-bit US-ASCII character
isastream (2)        - unimplemented system calls
isastream (3p)       - test a file descriptor (STREAMS)
isatty (3)           - test whether a file descriptor refers to a terminal
isatty (3p)          - test for a terminal device
isblank (3p)         - test for a blank character
iscntrl (3p)         - test for a control character
isdigit (3p)         - test for a decimal digit
isfinite (3p)        - test for finite value
isgraph (3p)         - test for a visible character
isgreater (3)        - floating-point relational tests without exception for NaN
isgreater (3p)       - test if x greater than y
isgreaterequal (3)   - floating-point relational tests without exception for NaN
isgreaterequal (3p)  - test if x is greater than or equal to y
isinf (3p)           - test for infinity
isless (3)           - floating-point relational tests without exception for NaN
isless (3p)          - test if x is less than y
islessequal (3)      - floating-point relational tests without exception for NaN
islessequal (3p)     - test if x is less than or equal to y
islessgreater (3)    - floating-point relational tests without exception for NaN
islessgreater (3p)   - test if x is less than or greater than y
islower (3p)         - test for a lowercase letter
isnan (3p)           - test for a NaN
isnormal (3p)        - test for a normal value
isosize (8)          - output the length of an iso9660 filesystem
isprint (3p)         - test for a printable character
ispunct (3p)         - test for a punctuation character
isspace (3p)         - test for a white-space character
isunordered (3)      - floating-point relational tests without exception for NaN
isunordered (3p)     - test if arguments are unordered
isupper (3p)         - test for an uppercase letter
iswalnum (3)         - test for alphanumeric wide character
iswalnum (3p)        - test for an alphanumeric wide-character code
iswalpha (3)         - test for alphabetic wide character
iswalpha (3p)        - test for an alphabetic wide-character code
iswblank (3)         - test for whitespace wide character
iswblank (3p)        - test for a blank wide-character code
iswcntrl (3)         - test for control wide character
iswcntrl (3p)        - test for a control wide-character code
iswctype (3p)        - test character for a specified class
iswdigit (3)         - test for decimal digit wide character
iswdigit (3p)        - test for a decimal digit wide-character code
iswgraph (3)         - test for graphic wide character
iswgraph (3p)        - test for a visible wide-character code
iswlower (3)         - test for lowercase wide character
iswlower (3p)        - test for a lowercase letter wide-character code
iswprint (3)         - test for printing wide character
iswprint (3p)        - test for a printable wide-character code
iswpunct (3)         - test for punctuation or symbolic wide character
iswpunct (3p)        - test for a punctuation wide-character code
iswspace (3)         - test for whitespace wide character
iswspace (3p)        - test for a white-space wide-character code
iswupper (3)         - test for uppercase wide character
iswupper (3p)        - test for an uppercase letter wide-character code
iswxdigit (3)        - test for hexadecimal digit wide character
iswxdigit (3p)       - test for a hexadecimal digit wide-character code
isxdigit (3p)        - test for a hexadecimal digit
j0 (3)               - Bessel functions of the first kind
j0 (3p)              - Bessel functions of the first kind
j0f (3)              - Bessel functions of the first kind
j0l (3)              - Bessel functions of the first kind
j1 (3)               - Bessel functions of the first kind
j1 (3p)              - Bessel functions of the first kind
j1f (3)              - Bessel functions of the first kind
j1l (3)              - Bessel functions of the first kind
jn (3)               - Bessel functions of the first kind
jn (3p)              - Bessel functions of the first kind
jnf (3)              - Bessel functions of the first kind
jnl (3)              - Bessel functions of the first kind
jobs (1p)            - display status of jobs in the current session
journalctl (1)       - Query the systemd journal
jrand48 (3)          - generate uniformly distributed pseudo-random numbers
jrand48 (3p)         - generate uniformly distributed pseudo-random numbers
jrand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
JSON::XS (3pm)       - JSON serialising/deserialising, done correctly and fast
jstar (1)            - Joe's Own Editor
k5login (5)          - Kerberos V5 acl file for host access
kbdinfo (1)          - obtain information about the status of a console
kernel-install (8)   - Add and remove kernel and initramfs images to and from...
kmem (4)             - system memory, kernel memory and system ports
l64a (3p)            - convert between a 32-bit integer and a radix-64 ASCII ...
langinfo.h (0p)      - language information constants
last (1)             - show listing of last logged in users
lastb (1)            - show listing of last logged in users
lastlog (8)          - reports the most recent login of all users or of a giv...
lcong48 (3)          - generate uniformly distributed pseudo-random numbers
lcong48 (3p)         - generate uniformly distributed pseudo-random numbers
lcong48_r (3)        - generate uniformly distributed pseudo-random numbers r...
ldap_table (5)       - Postfix LDAP client configuration
le16toh (3)          - convert values between host and big-/little-endian byt...
le32toh (3)          - convert values between host and big-/little-endian byt...
le64toh (3)          - convert values between host and big-/little-endian byt...
less (3pm)           - perl pragma to request less of something
libc (7)             - overview of standard C libraries on Linux
libmd (7)            - Message Digest functions from BSD systems
libnss_myhostname.so.2 (8) - Provide hostname resolution for the locally conf...
libnss_mymachines.so.2 (8) - Provide hostname resolution for local container ...
limits.h (0p)        - implementation-defined constants
linux-boot-prober (1) - Determine boot characteristics of a specified device.
lio_listio (3)       - initiate a list of I/O requests
lio_listio (3p)      - list directed I/O (REALTIME)
List::Util (3pm)     - A selection of general-utility list subroutines
List::Util::XS (3pm) - Indicate if List::Util was compiled with a C compiler
LIST_ENTRY (3)       - implementations of lists, tail queues, and circular qu...
LIST_HEAD (3)        - implementations of lists, tail queues, and circular qu...
LIST_INIT (3)        - implementations of lists, tail queues, and circular qu...
LIST_INSERT_AFTER (3) - implementations of lists, tail queues, and circular q...
LIST_INSERT_HEAD (3) - implementations of lists, tail queues, and circular qu...
LIST_REMOVE (3)      - implementations of lists, tail queues, and circular qu...
listen (2)           - listen for connections on a socket
listen (3p)          - listen for socket connections and limit the queue of i...
llrint (3)           - round to nearest integer
llrint (3p)          - round to the nearest integer value using current round...
llrintf (3)          - round to nearest integer
llrintf (3p)         - round to the nearest integer value using current round...
llrintl (3)          - round to nearest integer
llrintl (3p)         - round to the nearest integer value using current round...
llround (3)          - round to nearest integer, away from zero
llround (3p)         - round to nearest integer value
llroundf (3)         - round to nearest integer, away from zero
llroundf (3p)        - round to nearest integer value
llroundl (3)         - round to nearest integer, away from zero
llroundl (3p)        - round to nearest integer value
lmdb_table (5)       - Postfix LMDB adapter
lmtp (8)             - Postfix SMTP+LMTP client
lnstat (8)           - unified linux network statistics
local (8)            - Postfix local mail delivery
localectl (1)        - Control the system locale and keyboard layout settings
lock (2)             - unimplemented system calls
lockf (3)            - apply, test or remove a POSIX lock on an open file
logger (1)           - a shell command interface to the syslog(3) system log ...
login (1)            - begin session on the system
loginctl (1)         - Control the systemd login manager
logresolve (1)       - Resolve IP-addresses to hostnames in Apache log files
logrotate (8)        - rotates, compresses, and mails system logs
logrotate.conf (5)   - rotates, compresses, and mails system logs
longjmp (3)          - nonlocal jump to a saved stack context
look (1)             - display lines beginning with a given string
lrand48 (3)          - generate uniformly distributed pseudo-random numbers
lrand48 (3p)         - generate uniformly distributed pseudo-random numbers
lrand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
lrint (3)            - round to nearest integer
lrint (3p)           - round to nearest integer value using current rounding ...
lrintf (3)           - round to nearest integer
lrintf (3p)          - round to nearest integer value using current rounding ...
lrintl (3)           - round to nearest integer
lrintl (3p)          - round to nearest integer value using current rounding ...
lround (3)           - round to nearest integer, away from zero
lround (3p)          - round to nearest integer value
lroundf (3)          - round to nearest integer, away from zero
lroundf (3p)         - round to nearest integer value
lroundl (3)          - round to nearest integer, away from zero
lroundl (3p)         - round to nearest integer value
ls (1)               - list directory contents
ls (1p)              - list directory contents
lsattr (1)           - list file attributes on a Linux second extended file s...
lsblk (8)            - list block devices
lsipc (1)            - show information on IPC facilities currently employed ...
lslocks (8)          - list local system locks
lslogins (1)         - display information about known users in the system
lsmem (1)            - list the ranges of available memory with their online ...
lsmod (8)            - Show the status of modules in the Linux Kernel
lsns (8)             - list namespaces
lsof (8)             - list open files
lsscsi (8)           - list SCSI devices (or hosts) and their attributes
lstat (2)            - get file status
lstat (3p)           - get symbolic link status
lstat64 (2)          - get file status
luajit (1)           - Just-In-Time Compiler for the Lua Language
lutimes (3)          - change file timestamps
lvm2-activation-generator (8) - generator for systemd units to activate LVM2 ...
lvmdiskscan (8)      - List devices that may be used as physical volumes
lvmdump (8)          - create lvm2 information dumps for diagnostic purposes
lvmsadc (8)          - LVM system activity data collector
lvmsar (8)           - LVM system activity reporter
lvmsystemid (7)      - LVM system ID
lvremove (8)         - Remove logical volume(s) from the system
lvscan (8)           - List all logical volumes in all volume groups
lwp-request (1)      - Simple command line user agent
machinectl (1)       - Control the systemd machine manager
madvise1 (2)         - unimplemented system calls
Mail::DKIM::Policy (3pm) - abstract base class for originator "signing" policies
Mail::Field::AddrList (3pm) - object representation of e-mail address lists
Mail::SpamAssassin::AutoWhitelist (3pm) - auto-whitelist handler for SpamAssa...
Mail::SpamAssassin::BayesStore (3pm) - Storage Module for default Bayes class...
Mail::SpamAssassin::BayesStore::BDB (3pm) - BerkeleyDB Bayesian Storage Modul...
Mail::SpamAssassin::BayesStore::MySQL (3pm) - MySQL Specific Bayesian Storage...
Mail::SpamAssassin::BayesStore::PgSQL (3pm) - PostgreSQL Specific Bayesian St...
Mail::SpamAssassin::BayesStore::Redis (3pm) - Redis Bayesian Storage Module I...
Mail::SpamAssassin::BayesStore::SQL (3pm) - SQL Bayesian Storage Module Imple...
Mail::SpamAssassin::Logger::Stderr (3pm) - log to standard error
Mail::SpamAssassin::PerMsgLearner (3pm) - per-message status (spam or not-spam)
Mail::SpamAssassin::PerMsgStatus (3pm) - per-message status (spam or not-spam)
Mail::SpamAssassin::PersistentAddrList (3pm) - persistent address list base c...
Mail::SpamAssassin::Plugin::AccessDB (3pm) - check message against Access Dat...
Mail::SpamAssassin::Plugin::AntiVirus (3pm) - simple anti-virus tests
Mail::SpamAssassin::Plugin::AskDNS (3pm) - form a DNS query using tag values,...
Mail::SpamAssassin::Plugin::ASN (3pm) - SpamAssassin plugin to look up the Au...
Mail::SpamAssassin::Plugin::AWL (3pm) - Normalize scores via auto-whitelist
Mail::SpamAssassin::Plugin::DKIM (3pm) - perform DKIM verification tests
Mail::SpamAssassin::Plugin::DNSEval (3pm) - look up URLs against DNS blocklists
Mail::SpamAssassin::Plugin::Hashcash (3pm) - perform hashcash verification tests
Mail::SpamAssassin::Plugin::MIMEHeader (3pm) - perform regexp tests against M...
Mail::SpamAssassin::Plugin::OneLineBo... (3pm) - spamassassin body test plugin
Mail::SpamAssassin::Plugin::SPF (3pm) - perform SPF verification tests
Mail::SpamAssassin::Plugin::Test (3pm) - test plugin
Mail::SpamAssassin::Plugin::URIDetail (3pm) - test URIs using detailed URI in...
Mail::SpamAssassin::Plugin::URIDNSBL (3pm) - look up URLs against DNS blocklists
Mail::SpamAssassin::Plugin::WhiteList... (3pm) - whitelist by Subject header
Mail::SpamAssassin::SQLBasedAddrList (3pm) - SpamAssassin SQL Based Auto Whit...
Mail::SpamAssassin::SubProcBackChannel (3pm) - back-channel for communication...
Mail::SpamAssassin::Util::RegistrarBo... (3pm) - domain delegation rules
Mail::SPF::MacroString (3pm) - SPF record macro string class
Mail::SPF::Mech::Exists (3pm) - SPF record "exists" mechanism class
Mail::SPF::Record (3pm) - Abstract base class for SPF records
Mail::SPF::Request (3pm) - SPF request class
Mail::SPF::SenderIPAddrMech (3pm) - Abstract base class for SPF record mechan...
Mail::SPF::Server (3pm) - Server class for processing SPF requests
mailq (1)            - Postfix to Sendmail compatibility interface
mailq.postfix (1)    - Postfix to Sendmail compatibility interface
mailstat (1)         - shows mail-arrival statistics
malloc_get_state (3) - record and restore state of malloc implementation
malloc_info (3)      - export malloc state to a stream
malloc_set_state (3) - record and restore state of malloc implementation
malloc_stats (3)     - print memory allocation statistics
man (1p)             - display system documentation
master (5)           - Postfix master process configuration file format
master (8)           - Postfix master process
Math::BigInt::FastCalc (3pm) - Math::BigInt::Calc with some XS for more speed
mbrlen (3p)          - get number of bytes in a character (restartable)
mbrtowc (3p)         - convert a character to a wide-character code (restarta...
mbsinit (3)          - test for initial shift state
mbsinit (3p)         - determine conversion object status
mbsnrtowcs (3)       - convert a multibyte string to a wide-character string
mbsrtowcs (3)        - convert a multibyte string to a wide-character string
mbsrtowcs (3p)       - convert a character string to a wide-character string ...
mbstowcs (3)         - convert a multibyte string to a wide-character string
mbstowcs (3p)        - convert a character string to a wide-character string
mcheck (3)           - heap consistency checking
mcheck_check_all (3) - heap consistency checking
mcheck_pedantic (3)  - heap consistency checking
md2 (1ssl)           - message digests
md4 (1ssl)           - message digests
md5 (1ssl)           - message digests
md5sum (1)           - compute and check MD5 message digest
mdc2 (1ssl)          - message digests
mem (4)              - system memory, kernel memory and system ports
memcache_table (5)   - Postfix memcache client configuration
memmem (3)           - locate a substring
Memoize (3pm)        - Make functions faster by trading space for time
Memoize::AnyDBM_File (3pm) - glue to provide EXISTS for AnyDBM_File for Stora...
Memoize::ExpireFile (3pm) - test for Memoize expiration semantics
Memoize::ExpireTest (3pm) - test for Memoize expiration semantics
Memoize::NDBM_File (3pm) - glue to provide EXISTS for NDBM_File for Storable use
Memoize::SDBM_File (3pm) - glue to provide EXISTS for SDBM_File for Storable use
Memoize::Storable (3pm) - store Memoized data in Storable database
memset (3)           - fill memory with a constant byte
mii-tool (8)         - view, manipulate media-independent interface status
MIME::Base64 (3pm)   - Encoding and decoding of base64 strings
MIME::QuotedPrint (3pm) - Encoding and decoding of quoted-printable strings
mkdosfs (8)          - create an MS-DOS filesystem under Linux
mke2fs (8)           - create an ext2/ext3/ext4 filesystem
mkfs (8)             - build a Linux filesystem
mkfs.btrfs (8)       - create a btrfs filesystem
mkfs.cramfs (8)      - make compressed ROM file system
mkfs.ext2 (8)        - create an ext2/ext3/ext4 filesystem
mkfs.ext3 (8)        - create an ext2/ext3/ext4 filesystem
mkfs.ext4 (8)        - create an ext2/ext3/ext4 filesystem
mkfs.fat (8)         - create an MS-DOS filesystem under Linux
mkfs.minix (8)       - make a Minix filesystem
mkfs.msdos (8)       - create an MS-DOS filesystem under Linux
mkfs.vfat (8)        - create an MS-DOS filesystem under Linux
mkfs.xfs (8)         - construct an XFS filesystem
mklost+found (8)     - create a lost+found directory on a mounted Linux secon...
mkostemp (3)         - create a unique temporary file
mkostemps (3)        - create a unique temporary file
mkstemp (3)          - create a unique temporary file
mkstemp (3p)         - make a unique filename
mkstemps (3)         - create a unique temporary file
Module::Build (3pm)  - Build and install Perl modules
Module::Build::Bundling (3pm) - How to bundle Module::Build with a distribution
Module::Build::Notes (3pm) - Create persistent distribution configuration mod...
Module::Build::Platform::Default (3pm) - Stub class for unknown platforms
Module::CoreList (3pm) - what modules shipped with versions of perl
mount (2)            - mount file system
mount (8)            - mount a filesystem
mprobe (3)           - heap consistency checking
mpx (2)              - unimplemented system calls
mq_notify (2)        - register for notification when a message is available
mq_notify (3)        - register for notification when a message is available
mrand48 (3)          - generate uniformly distributed pseudo-random numbers
mrand48 (3p)         - generate uniformly distributed pseudo-random numbers
mrand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
msg.h (0p)           - XSI message queue structures
msgctl (2)           - System V message control operations
msgget (2)           - get a System V message queue identifier
msgop (2)            - System V message queue operations
msgrcv (2)           - System V message queue operations
msgsnd (2)           - System V message queue operations
msync (3p)           - synchronize memory with physical storage
mysql.server (1)     - MySQL server startup script
mysql_convert_table_format (1) - convert tables to use a given storage engine
mysql_find_rows (1)  - extract SQL statements from files
mysql_install_db (1) - initialize MySQL data directory
mysql_secure_installation (1) - improve MySQL installation security
mysql_table (5)      - Postfix MySQL client configuration
mysqladmin (1)       - client for administering a MySQL server
mysqld_safe (1)      - MySQL server startup script
mysqltest (1)        - program to run test cases
nearbyint (3)        - round to nearest integer
nearbyintf (3)       - round to nearest integer
nearbyintl (3)       - round to nearest integer
needs-restarting (1) - report running processes that have been updated
Net::Daemon::Test (3pm) - support functions for testing Net::Daemon servers
Net::DNS (3pm)       - Perl interface to the Domain Name System
Net::DNS::Domain (3pm) - Domain Name System domains
Net::DNS::FAQ (3pm)  - Frequently Asked Net::DNS Questions
Net::DNS::Question (3pm) - DNS question record
Net::DNS::Text (3pm) - Domain Name System text representation
Net::Domain (3pm)    - Attempt to evaluate the current host's internet name a...
Net::hostent (3pm)   - by-name interface to Perl's built-in gethost*() functions
Net::libnetFAQ (3pm) - libnet Frequently Asked Questions
Net::Ping (3pm)      - check a remote host for reachability
Net::POP3 (3pm)      - Post Office Protocol 3 Client class (RFC1939)
Net::SSLeay::Handle (3pm) - Perl module that lets SSL (HTTPS) sockets be hand...
netreport (1)        - request notification of network interface changes
netstat (8)          - Print network connections, routing tables, interface s...
networkctl (1)       - Query the status of network links
new-kernel-pkg (8)   - tool to script kernel installation
newaliases (1)       - Postfix to Sendmail compatibility interface
newaliases.postfix (1) - Postfix to Sendmail compatibility interface
nisdomainname (1)    - show or set the system's NIS/YP domain name
nisplus_table (5)    - Postfix NIS+ client
nm (1)               - list symbols from object files
nm (1p)              - write the name list of an object file (DEVELOPMENT)
nologin (5)          - prevent unprivileged users from logging into the system
nrand48 (3)          - generate uniformly distributed pseudo-random numbers
nrand48 (3p)         - generate uniformly distributed pseudo-random numbers
nrand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
nss-myhostname (8)   - Provide hostname resolution for the locally configured...
nss-mymachines (8)   - Provide hostname resolution for local container instan...
nstat (8)            - network statistics tools.
ntohl (3)            - convert values between host and network byte order
ntohl (3p)           - convert values between host and network byte order
ntohs (3)            - convert values between host and network byte order
ntohs (3p)           - convert values between host and network byte order
ntp_decode (5)       - ntpd Event Messages and Status Words
ntpq (8)             - standard NTP query program
ntpstat (1)          - Print NTP synchronisation status
numfmt (1)           - Convert numbers from/to human-readable strings
ocsp (1ssl)          - Online Certificate Status Protocol utility
odbcinst (1)         - An unixODBC tool for manipulating configuration files
offsetof (3)         - offset of a structure member
oldfstat (2)         - get file status
oldlstat (2)         - get file status
oldstat (2)          - get file status
on_exit (3)          - register a function to be called at normal process ter...
open (1)             - start a program on a new virtual terminal (VT).
open_memstream (3)   - open memory as stream
open_wmemstream (3)  - open memory as stream
openlog (3)          - send messages to the system logger
openlog (3p)         - control system log
openvt (1)           - start a program on a new virtual terminal (VT).
ops (3pm)            - Perl pragma to restrict unsafe operations when compiling
oqmgr (8)            - old Postfix queue manager
os-prober (1)        - Discover bootable partitions on the local system.
os-release (5)       - Operating system identification
package-cleanup (1)  - clean up locally installed, duplicate, or orphaned pac...
Package::Constants (3pm) - List all constants declared in a package
pam_access (8)       - PAM module for logdaemon style login access control
pam_console (8)      - determine user owning the system console
pam_console_apply (8) - set or revoke permissions for users at the system con...
pam_cracklib (8)     - PAM module to check the password against dictionary words
pam_debug (8)        - PAM module to debug the PAM stack
pam_lastlog (8)      - PAM module to display date of last login and perform i...
pam_listfile (8)     - deny or allow services based on an arbitrary file
pam_localuser (8)    - require users to be listed in /etc/passwd
pam_postgresok (8)   - simple check of real UID and corresponding account name
pam_pwhistory (8)    - PAM module to remember last passwords
pam_rhosts (8)       - The rhosts PAM module
pam_sepermit (8)     - PAM module to allow/deny login depending on SELinux en...
pam_succeed_if (8)   - test account characteristics
pam_systemd (8)      - Register user sessions in the systemd login manager
pam_timestamp (8)    - Authenticate using cached successful authentication at...
pam_timestamp_check (8) - Check to see if the default timestamp is valid
pam_userdb (8)       - PAM module to authenticate against a db database
paperconfig (8)      - configure the system default paper size
PAR::Dist (3pm)      - Create and manipulate PAR distributions
parent (3pm)         - Establish an ISA relationship with base classes at com...
passenger-memory-stats (8) - reports a snapshot of the Apache and Phusion Pas...
passenger-status (8) - inspect Phusion Passenger's internal status
paste (1)            - merge lines of files
paste (1p)           - merge corresponding or subsequent lines of files
pclose (3)           - pipe stream to or from a process
pclose (3p)          - close a pipe stream to or from a process
pcre_table (5)       - format of Postfix PCRE tables
pdf2dsc (1)          - generate a PostScript page list of a PDF document
pdf2ps (1)           - Ghostscript PDF to PostScript translator
pear (1)             - PEAR installer
peardev (1)          - PEAR installer
pecl (1)             - PEAR installer
Perl::OSType (3pm)   - Map Perl operating system names to generic types
perlaix (1)          - Perl version 5 on IBM AIX (UNIX) systems
perlapio (1)         - perl's IO abstraction interface.
perlartistic (1)     - the Perl Artistic License
perlbs2000 (1)       - building and installing Perl for BS2000.
perlclib (1)         - Internal replacements for standard C library functions
perldiag (1)         - various Perl diagnostics
perldsc (1)          - Perl Data Structures Cookbook
perlexperiment (1)   - A listing of experimental features in Perl
perlfaq (1)          - frequently asked questions about Perl
perlfaq1 (1)         - General Questions About Perl
perlfaq8 (1)         - System Interaction
perlfreebsd (1)      - Perl version 5 on FreeBSD systems
perlhist (1)         - the Perl history records
perlhpux (1)         - Perl version 5 on Hewlett-Packard Unix (HP-UX) systems
PerlIO::via::QuotedPrint (3pm) - PerlIO layer for quoted-printable strings
perlirix (1)         - Perl version 5 on Irix systems
perlivp (1)          - Perl Installation Verification Procedure
perllinux (1)        - Perl version 5 on Linux systems
perlmodinstall (1)   - Installing CPAN Modules
perlmodlib (1)       - constructing new Perl modules and finding existing ones
perlmodstyle (1)     - Perl module style guide
perlnewmod (1)       - preparing a new module for distribution
perlopenbsd (1)      - Perl version 5 on OpenBSD systems
perlos390 (1)        - building and installing Perl for OS/390 and z/OS
perlpodstyle (1)     - Perl POD style guide
perlref (1)          - Perl references and nested data structures
perlrequick (1)      - Perl regular expressions quick start
perlsolaris (1)      - Perl version 5 on Solaris systems
perlstyle (1)        - Perl style guide
perltodo (1)         - Perl TO-DO List
perltru64 (1)        - Perl version 5 on Tru64 (formerly known as Digital UNI...
perlutil (1)         - utilities packaged with the Perl distribution
perlvmesa (1)        - building and installing Perl for VM/ESA.
perlvos (1)          - Perl for Stratus VOS
perlxstut (1)        - Tutorial for writing XSUBs
perlxstypemap (1)    - Perl XS C/Perl type mapping
perror (3)           - print a system error message
perror (3p)          - write error messages to standard error
pf2afm (1)           - Make an AFM file from Postscript (PFB/PFA/PFM) font fi...
pfbtopfa (1)         - Convert Postscript .pfb fonts to .pfa format using gho...
tc-pfifo_fast (8)    - three-band first in, first out queue
pgsql_table (5)      - Postfix PostgreSQL client configuration
php-fpm (8)          - PHP FastCGI Process Manager 'PHP-FPM'
phys (2)             - unimplemented system calls
pickup (8)           - Postfix local mail pickup
ping (8)             - send ICMP ECHO_REQUEST to network hosts
ping6 (8)            - send ICMP ECHO_REQUEST to network hosts
pipe (8)             - Postfix delivery to external command
pivot_root (2)       - change the root file system
pivot_root (8)       - change the root filesystem
pkaction (1)         - Get details about a registered action
pkg-config (1)       - Return metainformation about installed libraries
pkla-admin-identities (8) - List pklocalauthority-configured polkit administr...
pluginviewer (8)     - list loadable SASL plugins and their properties
Pod::Perldoc::GetOptsOO (3pm) - Customized option parser for Pod::Perldoc
Pod::Simple::DumpAsText (3pm) - - dump Pod-parsing events as text
Pod::Simple::PullParserStartToken (3pm) - - start-tokens from Pod::Simple::Pu...
Pod::Simple::XMLOutStream (3pm) - - turn Pod into XML
Pod::Text::Overstrike (3pm) - Convert POD data to formatted overstrike text
polkitd (8)          - The polkit system daemon
popen (3)            - pipe stream to or from a process
popen (3p)           - initiate pipe streams to or from a process
port (4)             - system memory, kernel memory and system ports
POSIX (3pm)          - Perl interface to IEEE Std 1003.1
posix_spawn_file_actions_destroy (3p) - destroy and initialize spawn file act...
posix_spawn_file_actions_init (3p) - destroy and initialize spawn file action...
posix_spawnattr_destroy (3p) - destroy and initialize spawn attributes object...
posix_spawnattr_init (3p) - destroy and initialize spawn attributes object (A...
posix_trace_attr_destroy (3p) - destroy and initialize the trace stream attri...
posix_trace_attr_getclockres (3p) - retrieve and set information about a trac...
posix_trace_attr_getcreatetime (3p) - retrieve and set information about a tr...
posix_trace_attr_getgenversion (3p) - retrieve and set information about a tr...
posix_trace_attr_getinherited (3p) - retrieve and set the behavior of a trace...
posix_trace_attr_getlogfullpolicy (3p) - retrieve and set the behavior of a t...
posix_trace_attr_getlogsize (3p) - retrieve and set trace stream size attribu...
posix_trace_attr_getmaxdatasize (3p) - retrieve and set trace stream size att...
posix_trace_attr_getmaxsystemeventsize (3p) - retrieve and set trace stream s...
posix_trace_attr_getmaxusereventsize (3p) - retrieve and set trace stream siz...
posix_trace_attr_getname (3p) - retrieve and set information about a trace st...
posix_trace_attr_getstreamfullpolicy (3p) - retrieve and set the behavior of ...
posix_trace_attr_getstreamsize (3p) - retrieve and set trace stream size attr...
posix_trace_attr_init (3p) - destroy and initialize the trace stream attribut...
posix_trace_attr_setinherited (3p) - retrieve and set the behavior of a trace...
posix_trace_attr_setlogfullpolicy (3p) - retrieve and set the behavior of a t...
posix_trace_attr_setlogsize (3p) - retrieve and set trace stream size attribu...
posix_trace_attr_setmaxdatasize (3p) - retrieve and set trace stream size att...
posix_trace_attr_setname (3p) - retrieve and set information about a trace st...
posix_trace_attr_setstreamfullpolicy (3p) - retrieve and set the behavior of ...
posix_trace_attr_setstreamsize (3p) - retrieve and set trace stream size attr...
posix_trace_clear (3p) - clear trace stream and trace log (TRACING)
posix_trace_create (3p) - trace stream initialization, flush, and shutdown fr...
posix_trace_create_withlog (3p) - trace stream initialization, flush, and shu...
posix_trace_event (3p) - trace functions for instrumenting application code (...
posix_trace_eventid_open (3p) - trace functions for instrumenting application...
posix_trace_eventtypelist_getnext_id (3p) - iterate over a mapping of trace e...
posix_trace_eventtypelist_rewind (3p) - iterate over a mapping of trace event...
posix_trace_flush (3p) - trace stream initialization, flush, and shutdown fro...
posix_trace_get_attr (3p) - retrieve the trace attributes or trace status (TR...
posix_trace_get_filter (3p) - retrieve and set the filter of an initialized t...
posix_trace_get_status (3p) - retrieve the trace attributes or trace status (...
posix_trace_set_filter (3p) - retrieve and set the filter of an initialized t...
posix_trace_shutdown (3p) - trace stream initialization, flush, and shutdown ...
posix_trace_start (3p) - trace start and stop (TRACING)
posix_trace_stop (3p) - trace start and stop (TRACING)
posixoptions (7)     - optional parts of the POSIX standard
POST (1)             - Simple command line user agent
postalias (1)        - Postfix alias database maintenance
postcat (1)          - show Postfix queue file contents
postconf (1)         - Postfix configuration utility
postconf (5)         - Postfix configuration parameters
postdrop (1)         - Postfix mail posting utility
postfix (1)          - Postfix control program
postfix-tls (1)      - Postfix TLS management
postfix-wrapper (5)  - Postfix multi-instance API
postkick (1)         - kick a Postfix service
postlock (1)         - lock mail folder and execute command
postlog (1)          - Postfix-compatible logging utility
postlogd (8)         - Postfix internal log server
postlogin (5)        - Common configuration file for PAMified services
postmap (1)          - Postfix lookup table management
postmulti (1)        - Postfix multi-instance manager
postqueue (1)        - Postfix queue control
postscreen (8)       - Postfix zombie blocker
postsuper (1)        - Postfix superintendent
preconv (1)          - convert encoding of input files to something GNU troff...
prezip-bin (1)       - prefix zip delta word list compressor/decompressor
printafm (1)         - Print the metrics from a Postscript font in AFM format...
proc (5)             - process information pseudo-file system
prof (2)             - unimplemented system calls
projects (5)         - persistent project root definition
prove (1)            - Run tests through a TAP harness.
proxymap (8)         - Postfix lookup table proxy server
prtstat (1)          - print statistics of a process
ps (1p)              - report process status
ps2ascii (1)         - Ghostscript translator from PostScript or PDF to ASCII
ps2epsi (1)          - generate conforming Encapsulated PostScript
ps2pdf (1)           - Convert PostScript to PDF using ghostscript
ps2pdf12 (1)         - Convert PostScript to PDF 1.2 (Acrobat 3-and-later com...
ps2pdf13 (1)         - Convert PostScript to PDF 1.3 (Acrobat 4-and-later com...
ps2pdf14 (1)         - Convert PostScript to PDF 1.4 (Acrobat 5-and-later com...
ps2pdfwr (1)         - Convert PostScript to PDF without specifying Compatibi...
ps2ps (1)            - Ghostscript PostScript "distiller"
psed (1)             - a stream editor
psfstriptable (1)    - remove the embedded Unicode character table from a con...
pstree (1)           - display a tree of processes
pstruct (1)          - Dump C structures as generated from "cc - g - S" stabs
ptardiff (1)         - program that diffs an extracted archive against an une...
pthread_atfork (3p)  - register fork handlers
pthread_attr_destroy (3) - initialize and destroy thread attributes object
pthread_attr_destroy (3p) - destroy and initialize the thread attributes object
pthread_attr_getdetachstate (3) - set/get detach state attribute in thread at...
pthread_attr_getdetachstate (3p) - get and set the detachstate attribute
pthread_attr_getstack (3) - set/get stack attributes in thread attributes object
pthread_attr_getstack (3p) - get and set stack attributes
pthread_attr_getstackaddr (3) - set/get stack address attribute in thread att...
pthread_attr_getstackaddr (3p) - get and set the stackaddr attribute
pthread_attr_getstacksize (3) - set/get stack size attribute in thread attrib...
pthread_attr_getstacksize (3p) - get and set the stacksize attribute
pthread_attr_init (3) - initialize and destroy thread attributes object
pthread_attr_init (3p) - destroy and initialize the thread attributes object
pthread_attr_setdetachstate (3) - set/get detach state attribute in thread at...
pthread_attr_setdetachstate (3p) - get and set the detachstate attribute
pthread_attr_setstack (3) - set/get stack attributes in thread attributes object
pthread_attr_setstack (3p) - get and set stack attributes
pthread_attr_setstackaddr (3) - set/get stack address attribute in thread att...
pthread_attr_setstackaddr (3p) - get and set the stackaddr attribute
pthread_attr_setstacksize (3) - set/get stack size attribute in thread attrib...
pthread_attr_setstacksize (3p) - get and set the stacksize attribute
pthread_barrier_destroy (3p) - destroy and initialize a barrier object (ADVAN...
pthread_barrier_init (3p) - destroy and initialize a barrier object (ADVANCED...
pthread_barrierattr_destroy (3p) - destroy and initialize the barrier attribu...
pthread_barrierattr_init (3p) - destroy and initialize the barrier attributes...
pthread_cancel (3)   - send a cancellation request to a thread
pthread_cleanup_pop (3p) - establish cancellation handlers
pthread_cleanup_pop_restore_np (3) - push and pop thread cancellation clean-u...
pthread_cleanup_push (3p) - establish cancellation handlers
pthread_cond_broadcast (3p) - broadcast or signal a condition
pthread_cond_destroy (3p) - destroy and initialize condition variables
pthread_cond_init (3p) - destroy and initialize condition variables
pthread_cond_signal (3p) - broadcast or signal a condition
pthread_condattr_destroy (3p) - destroy and initialize the condition variable...
pthread_condattr_init (3p) - destroy and initialize the condition variable at...
pthread_mutex_consistent (3p) - mark state protected by robust mutex as consi...
pthread_mutex_destroy (3p) - destroy and initialize a mutex
pthread_mutex_init (3p) - destroy and initialize a mutex
pthread_mutexattr_destroy (3p) - destroy and initialize the mutex attributes ...
pthread_mutexattr_getrobust (3p) - get and set the mutex robust attribute
pthread_mutexattr_init (3p) - destroy and initialize the mutex attributes object
pthread_mutexattr_setrobust (3p) - get and set the mutex robust attribute
pthread_rwlock_destroy (3p) - destroy and initialize a read-write lock object
pthread_rwlock_init (3p) - destroy and initialize a read-write lock object
pthread_rwlockattr_destroy (3p) - destroy and initialize the read-write lock ...
pthread_rwlockattr_init (3p) - destroy and initialize the read-write lock att...
pthread_setcancelstate (3) - set cancelability state and type
pthread_setcancelstate (3p) - set cancelability state
pthread_setcanceltype (3) - set cancelability state and type
pthread_setcanceltype (3p) - set cancelability state
pthread_spin_destroy (3p) - destroy or initialize a spin lock object (ADVANCE...
pthread_spin_init (3p) - destroy or initialize a spin lock object (ADVANCED R...
pthread_testcancel (3) - request delivery of any pending cancellation request
pthread_testcancel (3p) - set cancelability state
ptmx (4)             - pseudoterminal master and slave
pts (4)              - pseudoterminal master and slave
putc (3)             - output of characters and strings
putc (3p)            - put a byte on a stream
putc_unlocked (3)    - nonlocking stdio functions
putc_unlocked (3p)   - stdio with explicit client locking
putchar (3)          - output of characters and strings
putchar (3p)         - put a byte on a stdout stream
putchar_unlocked (3) - nonlocking stdio functions
putchar_unlocked (3p) - stdio with explicit client locking
putmsg (2)           - unimplemented system calls
putmsg (3p)          - send a message on a STREAM (STREAMS)
putpmsg (2)          - unimplemented system calls
putpmsg (3p)         - send a message on a STREAM (STREAMS)
puts (3)             - output of characters and strings
puts (3p)            - put a string on standard output
putwc (3)            - write a wide character to a FILE stream
putwc (3p)           - put a wide character on a stream
putwc_unlocked (3)   - nonlocking stdio functions
putwchar (3)         - write a wide character to standard output
putwchar (3p)        - put a wide character on a stdout stream
putwchar_unlocked (3) - nonlocking stdio functions
pvck (8)             - Check the consistency of physical volume(s)
pvscan (8)           - List all physical volumes
pwd.h (0p)           - password structure
pwhistory_helper (8) - Helper binary that transfers password hashes from pass...
pzstd (1)            - zstd, zstdmt, unzstd, zstdcat - Compress or decompress...
qecvt (3)            - convert a floating-point number to a string
qecvt_r (3)          - convert a floating-point number to a string
qfcvt (3)            - convert a floating-point number to a string
qfcvt_r (3)          - convert a floating-point number to a string
qgcvt (3)            - convert a floating-point number to a string
qmgr (8)             - Postfix queue manager
qmqpd (8)            - Postfix QMQP server
qshape (1)           - Print Postfix queue domain and age distribution
qstat (1p)           - show status of batch jobs
queue (3)            - implementations of lists, tail queues, and circular qu...
rcmd (3)             - routines for returning a stream to a remote command
rcmd_af (3)          - routines for returning a stream to a remote command
read (1p)            - read a line from standard input
regexp_table (5)     - format of Postfix regular expression tables
registerrpc (3)      - library routines for remote procedure calls
relocated (5)        - Postfix relocated table format
replace (1)          - a string-replacement utility
repoclosure (1)      - display a list of unresolved dependencies for a yum re...
repodiff (1)         - list differences between two or more Yum repositories
repomanage (1)       - list the newest or oldest RPM packages in a directory
req (1ssl)           - PKCS#10 certificate request and certificate generating...
request_key (2)      - request a key from the kernel's key management facility
resize2fs (8)        - ext2/ext3/ext4 file system resizer
resolve_stack_dump (1) - resolve numeric stack trace dump to symbols
resolveip (1)        - resolve host name to IP address or vice versa
restart_syscall (2)  - restart a system call after interruption by a stop signal
restorecon (8)       - restore file(s) default SELinux security contexts.
rewind (3)           - reposition a stream
rewind (3p)          - reset the file position indicator in a stream
rewinddir (3)        - reset directory stream
rewinddir (3p)       - reset the position of a directory stream to the beginn...
rexec (3)            - return stream to a remote command
rexec_af (3)         - return stream to a remote command
rindex (3)           - locate character in string
rindex (3p)          - character string operations (LEGACY)
rint (3)             - round to nearest integer
rint (3p)            - round-to-nearest integral value
rintf (3)            - round to nearest integer
rintf (3p)           - round-to-nearest integral value
rintl (3)            - round to nearest integer
rintl (3p)           - round-to-nearest integral value
ripemd160 (1ssl)     - message digests
rnano (1)            - Restricted mode for Nano's ANOther editor, an enhanced...
round (3)            - round to nearest integer, away from zero
round (3p)           - round to the nearest integer value in a floating-point...
roundf (3)           - round to nearest integer, away from zero
roundf (3p)          - round to the nearest integer value in a floating-point...
roundl (3)           - round to nearest integer, away from zero
roundl (3p)          - round to the nearest integer value in a floating-point...
routel (8)           - list routes with pretty output format
rpmatch (3)          - determine if the answer to a question is affirmative o...
rpntutorial (1)      - Reading RRDtool RPN Expressions by Steve Rader
rrdbuild (1)         - Instructions for building RRDtool
rrdfirst (1)         - Return the date of the first data sample in an RRA wit...
rrdlast (1)          - Return the date of the last data sample in an RRD
rrdlastupdate (1)    - Return the most recent update to an RRD
rrdrestore (1)       - Restore the contents of an RRD from its XML dump format
rrdupdate (1)        - Store a new set of values into the RRD
rresvport (3)        - routines for returning a stream to a remote command
rresvport_af (3)     - routines for returning a stream to a remote command
rsync (1)            - a fast, versatile, remote (and local) file-copying tool
rt_sigreturn (2)     - return from signal handler and cleanup stack frame
rtacct (8)           - network statistics tools.
rtas (2)             - Allows userspace to call RTAS (Run Time Abstraction Se...
rtcwake (8)          - enter a system sleep state until specified wakeup time
rtmon (8)            - listens to and monitors RTnetlink
rtstat (8)           - unified linux network statistics
runuser (1)          - run a command with substitute user and group ID
ruserok (3)          - routines for returning a stream to a remote command
ruserok_af (3)       - routines for returning a stream to a remote command
s2p (1)              - a stream editor
s390_runtime_instr (2) - enable/disable s390 CPU run-time instrumentation
sa-awl (1)           - examine and manipulate SpamAssassin's auto-whitelist db
Safe (3pm)           - Compile and execute code in restricted compartments
sasldblistusers2 (8) - list users in sasldb
scache (8)           - Postfix shared connection cache server
sched_get_priority_max (2) - get static priority range
sched_get_priority_min (2) - get static priority range
securetty (5)        - file which lists terminals from which root can log in
security (2)         - unimplemented system calls
sed (1)              - stream editor for filtering and transforming text
sed (1p)             - stream editor
seed48 (3)           - generate uniformly distributed pseudo-random numbers
seed48 (3p)          - generate uniformly distributed pseudo-random numbers
seed48_r (3)         - generate uniformly distributed pseudo-random numbers r...
seekdir (3)          - set the position of the next readdir() call in the dir...
seekdir (3p)         - set the position of a directory stream
selabel_x (5)        - userspace SELinux labeling interface and configuration...
SelectSaver (3pm)    - save and restore selected file handle
selinux_config (5)   - The SELinux sub-system configuration file.
selinuxconlist (8)   - list all SELinux context reachable for user
sem_destroy (3)      - destroy an unnamed semaphore
sem_destroy (3p)     - destroy an unnamed semaphore (REALTIME)
sem_post (3)         - unlock a semaphore
sem_post (3p)        - unlock a semaphore (REALTIME)
semctl (2)           - System V semaphore control operations
semget (2)           - get a System V semaphore set identifier
semop (2)            - System V semaphore operations
semtimedop (2)       - System V semaphore operations
sendmail (8)         - Postfix to Sendmail compatibility interface
sendmail.postfix (1) - Postfix to Sendmail compatibility interface
sendmsg (3p)         - send a message on a socket using a message structure
service (8)          - run a System V init script
services (5)         - Internet network services list
sestatus (8)         - SELinux status tool
sestatus.conf (5)    - The sestatus(8) configuration file.
set_robust_list (2)  - get/set list of robust futexes
set_thread_area (2)  - set a thread local storage (TLS) area
setbuf (3)           - stream buffering operations
setbuf (3p)          - assign buffering to a stream
setbuffer (3)        - stream buffering operations
setfacl (1)          - set file access control lists
setfsent (3)         - handle fstab entries
setfsgid (2)         - set group identity used for file system checks
setfsgid32 (2)       - set group identity used for file system checks
setfsuid (2)         - set user identity used for file system checks
setfsuid32 (2)       - set user identity used for file system checks
setgroups (2)        - get/set list of supplementary group IDs
setgroups32 (2)      - get/set list of supplementary group IDs
sethostent (3)       - get network host entry
sethostent (3p)      - network host database functions
sethostid (2)        - get or set the unique identifier of the current host
sethostid (3)        - get or set the unique identifier of the current host
sethostname (2)      - get/set hostname
setjmp (3)           - save stack context for nonlocal goto
setjmp.h (0p)        - stack environment declarations
setlinebuf (3)       - stream buffering operations
setlogmask (3p)      - control system log
setmntent (3)        - get file system descriptor file entry
setstate (3)         - random number generator
setstate (3p)        - pseudo-random number functions
setstate_r (3)       - reentrant random number generator
setup (2)            - setup devices and file systems, mount root file system
setvbuf (3)          - stream buffering operations
setvbuf (3p)         - assign buffering to a stream
sftp-server (8)      - SFTP server subsystem
sh (1p)              - shell, the standard command language interpreter
sha (1ssl)           - message digests
sha1 (1ssl)          - message digests
sha1sum (1)          - compute and check SHA1 message digest
sha224 (1ssl)        - message digests
sha224sum (1)        - compute and check SHA224 message digest
sha256 (1ssl)        - message digests
sha256sum (1)        - compute and check SHA256 message digest
sha384 (1ssl)        - message digests
sha384sum (1)        - compute and check SHA384 message digest
sha512 (1ssl)        - message digests
sha512sum (1)        - compute and check SHA512 message digest
shmat (2)            - System V shared memory operations
shmctl (2)           - System V shared memory control
shmdt (2)            - System V shared memory operations
shmget (2)           - allocates a System V shared memory segment
shmop (2)            - System V shared memory operations
show-installed (1)   - show installed RPM packages and descriptions
showq (8)            - list the Postfix mail queue
sieve-test (1)       - Pigeonhole's Sieve script tester
sigaltstack (2)      - set and/or get signal stack context
sigaltstack (3p)     - set and get signal alternate stack context
sigevent (7)         - structure for notification from asynchronous routines
sighold (3)          - System V signal API
sigignore (3)        - System V signal API
siginterrupt (3)     - allow signals to interrupt system calls
sigismember (3p)     - test for a signal in a signal set
siglongjmp (3)       - nonlocal jump to a saved stack context
signbit (3)          - test sign of a real floating-point number
signbit (3p)         - test sign
sigrelse (3)         - System V signal API
sigreturn (2)        - return from signal handler and cleanup stack frame
sigset (3)           - System V signal API
sigsetjmp (3)        - save stack context for nonlocal goto
sigstack (3)         - set and/or get signal stack context
size (1)             - list section sizes and total size.
skill (1)            - send a signal or report process status
slabinfo (5)         - kernel slab allocator statistics
smtp (8)             - Postfix SMTP+LMTP client
smtpd (8)            - Postfix SMTP server
snice (1)            - send a signal or report process status
Socket6 (3pm)        - IPv6 related part of the C socket.h defines and struct...
socketcall (2)       - socket system calls
socketmap_table (5)  - Postfix socketmap table lookup client
soelim (1)           - interpret .so requests in groff input
spawn (8)            - Postfix external command spawner
speed (1ssl)         - test library performance
spufs (7)            - SPU file system
sqlite_table (5)     - Postfix SQLite configuration
srand48 (3)          - generate uniformly distributed pseudo-random numbers
srand48 (3p)         - generate uniformly distributed pseudo-random numbers
srand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
ss (8)               - another utility to investigate sockets
ssh-keysign (8)      - ssh helper program for host-based authentication
st (4)               - SCSI tape device
standards (7)        - C and UNIX Standards
stat (1)             - display file or file system status
stat (2)             - get file status
stat (3p)            - get file status
stat.h (0p)          - data returned by the stat() function
stat64 (2)           - get file status
statfs (2)           - get file system statistics
statfs64 (2)         - get file system statistics
statvfs (2)          - get file system statistics
statvfs (3)          - get file system statistics
statvfs (3p)         - get file system information
statvfs.h (0p)       - VFS File System information structure
stdarg (3)           - variable argument lists
stdarg.h (0p)        - handle variable argument list
stdbool.h (0p)       - boolean type and values
stdbuf (1)           - Run COMMAND, with modified buffering operations for it...
stddef.h (0p)        - standard type definitions
stderr (3)           - standard I/O streams
stderr (3p)          - standard I/O streams
stdin (3)            - standard I/O streams
stdin (3p)           - standard I/O streams
stdint.h (0p)        - integer types
stdio (3)            - standard input/output library functions
stdio.h (0p)         - standard buffered input/output
stdio_ext (3)        - interfaces to stdio FILE structure
stdlib.h (0p)        - standard library definitions
stdout (3)           - standard I/O streams
stdout (3p)          - standard I/O streams
stime (2)            - set time
Storable (3pm)       - persistence for Perl data structures
stpcpy (3)           - copy a string returning a pointer to its end
stpncpy (3)          - copy a fixed-size string, returning a pointer to its end
strace (1)           - trace system calls and signals
strace-log-merge (1) - merge strace - ff - tt output
strcasecmp (3)       - compare two strings ignoring case
strcasecmp (3p)      - case-insensitive string comparisons
strcasestr (3)       - locate a substring
strcat (3)           - concatenate two strings
strcat (3p)          - concatenate two strings
strchr (3)           - locate character in string
strchr (3p)          - string scanning operation
strchrnul (3)        - locate character in string
strcmp (3)           - compare two strings
strcmp (3p)          - compare two strings
strcoll (3)          - compare two strings using the current locale
strcoll (3p)         - string comparison using collating information
strcpy (3)           - copy a string
strcpy (3p)          - copy a string
strcspn (3)          - search a string for a set of bytes
strcspn (3p)         - get the length of a complementary substring
strdup (3)           - duplicate a string
strdup (3p)          - duplicate a string
strdupa (3)          - duplicate a string
stream (1)           - a lightweight tool to stream one or more pixel compone...
strerror (3)         - return string describing error number
strerror (3p)        - get error message string
strerror_r (3)       - return string describing error number
strerror_r (3p)      - get error message string
strfmon (3)          - convert monetary value to a string
strfmon (3p)         - convert monetary value to a string
strfry (3)           - randomize a string
strftime (3)         - format date and time
strftime (3p)        - convert date and time to a string
strict (3pm)         - Perl pragma to restrict unsafe constructs
string (3)           - string operations
string.h (0p)        - string operations
strings (1)          - print the strings of printable characters in files.
strings (1p)         - find printable strings in files
strings.h (0p)       - string operations
strip (1)            - Discard symbols from object files.
strip (1p)           - remove unnecessary information from executable files (...
strlen (3)           - calculate the length of a string
strlen (3p)          - get string length
strncasecmp (3)      - compare two strings ignoring case
strncasecmp (3p)     - case-insensitive string comparisons
strncat (3)          - concatenate two strings
strncat (3p)         - concatenate a string with part of another
strncmp (3)          - compare two strings
strncmp (3p)         - compare part of two strings
strncpy (3)          - copy a string
strncpy (3p)         - copy part of a string
strndup (3)          - duplicate a string
strndupa (3)         - duplicate a string
strnlen (3)          - determine the length of a fixed-size string
stropts.h (0p)       - STREAMS interface (STREAMS)
strpbrk (3)          - search a string for any of a set of bytes
strpbrk (3p)         - scan a string for a byte
strptime (3)         - convert a string representation of time to a time tm s...
strptime (3p)        - date and time conversion
strrchr (3)          - locate character in string
strrchr (3p)         - string scanning operation
strsep (3)           - extract token from string
strsignal (3)        - return string describing signal
strspn (3)           - search a string for a set of bytes
strspn (3p)          - get length of a substring
strstr (3)           - locate a substring
strstr (3p)          - find a substring
strtod (3)           - convert ASCII string to floating-point number
strtod (3p)          - convert a string to a double-precision number
strtof (3)           - convert ASCII string to floating-point number
strtof (3p)          - convert a string to a double-precision number
strtoimax (3)        - convert string to integer
strtoimax (3p)       - convert string to integer type
strtok (3)           - extract tokens from strings
strtok (3p)          - split string into tokens
strtok_r (3)         - extract tokens from strings
strtok_r (3p)        - split string into tokens
strtol (3)           - convert a string to a long integer
strtol (3p)          - convert a string to a long integer
strtold (3)          - convert ASCII string to floating-point number
strtold (3p)         - convert a string to a double-precision number
strtoll (3)          - convert a string to a long integer
strtoll (3p)         - convert a string to a long integer
strtoq (3)           - convert a string to a long integer
strtoul (3)          - convert a string to an unsigned long integer
strtoul (3p)         - convert a string to an unsigned long
strtoull (3)         - convert a string to an unsigned long integer
strtoull (3p)        - convert a string to an unsigned long
strtoumax (3)        - convert string to integer
strtoumax (3p)       - convert string to integer type
strtouq (3)          - convert a string to an unsigned long integer
strverscmp (3)       - compare two version strings
strxfrm (3)          - string transformation
strxfrm (3p)         - string transformation
stty (1)             - change and print terminal line settings
stty (1p)            - set the options for a terminal
stty (2)             - unimplemented system calls
su (1)               - run a command with substitute user and group ID
sudoers_timestamp (5) - Sudoers Time Stamp Format
suffixes (7)         - list of file suffixes
svc_destroy (3)      - library routines for remote procedure calls
svc_register (3)     - library routines for remote procedure calls
svc_unregister (3)   - library routines for remote procedure calls
svcerr_systemerr (3) - library routines for remote procedure calls
svipc (7)            - System V interprocess communication mechanisms
sw-collectd (1)      - System statistics collection daemon
sw-collectd.conf (5) - Configuration for the system statistics collection dae...
sw-types.db (5)      - Data-set specifications for the system statistics coll...
swapoff (2)          - start/stop swapping to file/device
swapon (2)           - start/stop swapping to file/device
Switch (3pm)         - A switch statement for Perl
switch_root (8)      - switch to another filesystem as the root of the mount ...
sync (1)             - Synchronize cached writes to persistent storage
sync (3p)            - schedule file system updates
sys-unconfig (8)     - shell script to reconfigure the system upon next boot
sys_stat.h (0p)      - data returned by the stat() function
sys_statvfs.h (0p)   - VFS File System information structure
Sys::Hostname (3pm)  - Try every conceivable way to get hostname
sys_errlist (3)      - print a system error message
sys_ipc.h (0p)       - XSI interprocess communication access structure
sys_msg.h (0p)       - XSI message queue structures
sys_nerr (3)         - print a system error message
sys_times.h (0p)     - file access and modification times structure
sys_utsname.h (0p)   - system name structure
syscall (2)          - indirect system call
syscalls (2)         - Linux system calls
sysconf (3p)         - get configurable system variables
sysctl (2)           - read/write system parameters
sysfs (2)            - get file system type information
sysinfo (2)          - returns information on overall system statistics
syslog (3)           - send messages to the system logger
syslog (3p)          - control system log
syslog.h (0p)        - definitions for system error logging
system (3)           - execute a shell command
system (3p)          - issue a command
system-auth (5)      - Common configuration file for PAMified services
system.conf.d (5)    - System and session service manager configuration files
systemctl (1)        - Control the systemd system and service manager
systemd (1)          - systemd system and service manager
systemd-activate (8) - Test socket activation of daemons
systemd-analyze (1)  - Analyze system boot-up performance
systemd-ask-password (1) - Query the user for a system password
systemd-ask-password-console.path (8) - Query the user for system passwords o...
systemd-ask-password-console.service (8) - Query the user for system password...
systemd-ask-password-wall.path (8) - Query the user for system passwords on t...
systemd-ask-password-wall.service (8) - Query the user for system passwords o...
systemd-backlight (8) - Load and save the display backlight brightness at boo...
systemd-backlight@.service (8) - Load and save the display backlight brightne...
systemd-binfmt (8)   - Configure additional binary formats for executables at...
systemd-binfmt.service (8) - Configure additional binary formats for executab...
systemd-bootchart (1) - Boot performance graphing tool
systemd-cat (1)      - Connect a pipeline or program's output with the journal
systemd-cgls (1)     - Recursively show control group contents
systemd-cgtop (1)    - Show top control groups by their resource usage
systemd-coredump (8) - Log and store core dumps
systemd-cryptsetup (8) - Full disk decryption logic
systemd-cryptsetup-generator (8) - Unit generator for /etc/crypttab
systemd-cryptsetup@.service (8) - Full disk decryption logic
systemd-debug-generator (8) - Generator for enabling a runtime debug shell an...
systemd-delta (1)    - Find overridden configuration files
systemd-detect-virt (1) - Detect execution in a virtualized environment
systemd-efi-boot-generator (8) - Generator for automatically mounting the EFI...
systemd-escape (1)   - Escape strings for usage in system unit names
systemd-firstboot (1) - Initialize basic system settings on or before the fir...
systemd-firstboot.service (1) - Initialize basic system settings on or before...
systemd-fsck (8)     - File system checker logic
systemd-fsck-root.service (8) - File system checker logic
systemd-fsck@.service (8) - File system checker logic
systemd-fstab-generator (8) - Unit generator for /etc/fstab
systemd-getty-generator (8) - Generator for enabling getty instances on the c...
systemd-gpt-auto-generator (8) - Generator for automatically discovering and ...
systemd-halt.service (8) - System shutdown logic
systemd-hibernate-resume (8) - Resume from hibernation
systemd-hibernate-resume-generator (8) - Unit generator for resume= kernel pa...
systemd-hibernate-resume@.service (8) - Resume from hibernation
systemd-hibernate.service (8) - System sleep state logic
systemd-hostnamed (8) - Host name bus mechanism
systemd-hostnamed.service (8) - Host name bus mechanism
systemd-hwdb (8)     - hardware database management tool
systemd-hybrid-sleep.service (8) - System sleep state logic
systemd-inhibit (1)  - Execute a program with an inhibition lock taken
systemd-initctl (8)  - /dev/initctl compatibility
systemd-initctl.service (8) - /dev/initctl compatibility
systemd-initctl.socket (8) - /dev/initctl compatibility
systemd-journal-upload (8) - Send journal messages over the network
systemd-journald (8) - Journal service
systemd-journald.service (8) - Journal service
systemd-journald.socket (8) - Journal service
systemd-kexec.service (8) - System shutdown logic
systemd-localed (8)  - Locale bus mechanism
systemd-localed.service (8) - Locale bus mechanism
systemd-logind (8)   - Login manager
systemd-logind.service (8) - Login manager
systemd-machine-id-commit (1) - Commit transient machine ID to /etc/machine-id
systemd-machine-id-commit.service (8) - Commit transient machine-id to disk
systemd-machine-id-setup (1) - Initialize the machine ID in /etc/machine-id
systemd-machined (8) - Virtual machine and container registration manager
systemd-machined.service (8) - Virtual machine and container registration man...
systemd-modules-load (8) - Load kernel modules at boot
systemd-modules-load.service (8) - Load kernel modules at boot
systemd-notify (1)   - Notify service manager about start-up completion and o...
systemd-nspawn (1)   - Spawn a namespace container for debugging, testing and...
systemd-path (1)     - List and query system and user paths
systemd-poweroff.service (8) - System shutdown logic
systemd-quotacheck (8) - File system quota checker logic
systemd-quotacheck.service (8) - File system quota checker logic
systemd-random-seed (8) - Load and save the system random seed at boot and sh...
systemd-random-seed.service (8) - Load and save the system random seed at boo...
systemd-readahead (8) - Disk read ahead logic
systemd-readahead-collect.service (8) - Disk read ahead logic
systemd-readahead-done.service (8) - Disk read ahead logic
systemd-readahead-done.timer (8) - Disk read ahead logic
systemd-readahead-replay.service (8) - Disk read ahead logic
systemd-reboot.service (8) - System shutdown logic
systemd-remount-fs (8) - Remount root and kernel file systems
systemd-remount-fs.service (8) - Remount root and kernel file systems
systemd-rfkill (8)   - Load and save the RF kill switch state at boot and shu...
systemd-rfkill@.service (8) - Load and save the RF kill switch state at boot ...
systemd-run (1)      - Run programs in transient scope or service or timer units
systemd-shutdown (8) - System shutdown logic
systemd-shutdownd (8) - Scheduled shutdown service
systemd-shutdownd.service (8) - Scheduled shutdown service
systemd-shutdownd.socket (8) - Scheduled shutdown service
systemd-sleep (8)    - System sleep state logic
systemd-sleep.conf (5) - Suspend and hibernation configuration file
systemd-socket-proxyd (8) - Bidirectionally proxy local sockets to another (p...
systemd-suspend.service (8) - System sleep state logic
systemd-sysctl (8)   - Configure kernel parameters at boot
systemd-sysctl.service (8) - Configure kernel parameters at boot
systemd-system-update-generator (8) - Generator for redirecting boot to offli...
systemd-system.conf (5) - System and session service manager configuration files
systemd-sysv-generator (8) - Unit generator for SysV init scripts
systemd-timedated (8) - Time and date bus mechanism
systemd-timedated.service (8) - Time and date bus mechanism
systemd-tmpfiles (8) - Creates, deletes and cleans up volatile and temporary ...
systemd-tmpfiles-clean.service (8) - Creates, deletes and cleans up volatile ...
systemd-tmpfiles-clean.timer (8) - Creates, deletes and cleans up volatile an...
systemd-tmpfiles-setup-dev.service (8) - Creates, deletes and cleans up volat...
systemd-tmpfiles-setup.service (8) - Creates, deletes and cleans up volatile ...
systemd-tty-ask-password-agent (1) - List or process pending systemd password...
systemd-udevd (8)    - Device event managing daemon
systemd-udevd-control.socket (8) - Device event managing daemon
systemd-udevd-kernel.socket (8) - Device event managing daemon
systemd-udevd.service (8) - Device event managing daemon
systemd-update-done (8) - Mark /etc and /var fully updated
systemd-update-done.service (8) - Mark /etc and /var fully updated
systemd-update-utmp (8) - Write audit and utmp updates at bootup, runlevel ch...
systemd-update-utmp-runlevel.service (8) - Write audit and utmp updates at bo...
systemd-update-utmp.service (8) - Write audit and utmp updates at bootup, run...
systemd-user-sessions (8) - Permit user logins after boot, prohibit user logi...
systemd-user-sessions.service (8) - Permit user logins after boot, prohibit u...
systemd-user.conf (5) - System and session service manager configuration files
systemd-vconsole-setup (8) - Configure the virtual console at boot
systemd-vconsole-setup.service (8) - Configure the virtual console at boot
systemd.automount (5) - Automount unit configuration
systemd.device (5)   - Device unit configuration
systemd.directives (7) - Index of configuration directives
systemd.exec (5)     - Execution environment configuration
systemd.generator (7) - Systemd unit generators
systemd.index (7)    - List all manpages from the systemd project
systemd.journal-fields (7) - Special journal fields
systemd.kill (5)     - Process killing procedure configuration
systemd.mount (5)    - Mount unit configuration
systemd.path (5)     - Path unit configuration
systemd.preset (5)   - Service enablement presets
systemd.resource-control (5) - Resource control unit settings
systemd.scope (5)    - Scope unit configuration
systemd.service (5)  - Service unit configuration
systemd.slice (5)    - Slice unit configuration
systemd.snapshot (5) - Snapshot unit configuration
systemd.socket (5)   - Socket unit configuration
systemd.special (7)  - Special systemd units
systemd.swap (5)     - Swap unit configuration
systemd.target (5)   - Target unit configuration
systemd.time (7)     - Time and date specifications
systemd.timer (5)    - Timer unit configuration
systemd.unit (5)     - Unit configuration
sysusers.d (5)       - Declarative allocation of system users and groups
sysv_signal (3)      - signal handling with System V semantics
tail (1)             - output the last part of files
tail (1p)            - copy the last part of a file
TAILQ_ENTRY (3)      - implementations of lists, tail queues, and circular qu...
TAILQ_HEAD (3)       - implementations of lists, tail queues, and circular qu...
TAILQ_INIT (3)       - implementations of lists, tail queues, and circular qu...
TAILQ_INSERT_AFTER (3) - implementations of lists, tail queues, and circular ...
TAILQ_INSERT_HEAD (3) - implementations of lists, tail queues, and circular q...
TAILQ_INSERT_TAIL (3) - implementations of lists, tail queues, and circular q...
TAILQ_REMOVE (3)     - implementations of lists, tail queues, and circular qu...
TAP::Formatter::Color (3pm) - Run Perl test scripts with color
TAP::Formatter::Session (3pm) - Abstract base class for harness output delegate
TAP::Harness (3pm)   - Run test scripts with statistics
TAP::Parser::Grammar (3pm) - A grammar for the Test Anything Protocol.
TAP::Parser::Iterator::Stream (3pm) - Iterator for filehandle-based TAP sources
TAP::Parser::Result::Test (3pm) - Test result token.
TAP::Parser::Scheduler (3pm) - Schedule tests during parallel testing
TAP::Parser::Scheduler::Job (3pm) - A single testing job.
TAP::Parser::SourceHandler::Executable (3pm) - Stream output from an executab...
TAP::Parser::SourceHandler::File (3pm) - Stream TAP from a text file.
TAP::Parser::SourceHandler::Handle (3pm) - Stream TAP from an IO::Handle or a...
TAP::Parser::SourceHandler::Perl (3pm) - Stream TAP from a Perl executable
TAP::Parser::SourceHandler::RawTAP (3pm) - Stream output from raw TAP in a sc...
tc-bfifo (8)         - Packet limited First In, First Out queue
tc-nat (8)           - stateless native address translation action
tc-pfifo (8)         - Packet limited First In, First Out queue
tc-sfb (8)           - Stochastic Fair Blue
tc-sfq (8)           - Stochastic Fairness Queueing
tc-stab (8)          - Generic size table manipulations
tcamgr (1)           - the command line utility of the abstract database API
tcamttest (1)        - test cases of the abstract database API
tcatest (1)          - test cases of the abstract database API
tcbmttest (1)        - test cases of the B+ tree database API
tcbtest (1)          - test cases of the B+ tree database API
tcflow (3p)          - suspend or restart the transmission or reception of data
tcfmttest (1)        - test cases of the fixed-length database API
tcftest (1)          - test cases of the fixed-length database API
tchmttest (1)        - test cases of the hash database API
tchtest (1)          - test cases of the hash database API
tcp_table (5)        - Postfix client/server table lookup protocol
tcptraceroute (8)    - print the route packets trace to network host
tcsd (8)             - daemon that manages Trusted Computing resources
tctmttest (1)        - test cases of the table database API
tcttest (1)          - test cases of the table database API
tcumttest (1)        - test cases of the on-memory database API
tcutest (1)          - test cases of the utility API
tdestroy (3)         - manage a binary tree
tee (1)              - read from standard input and write to standard output ...
tee (1p)             - duplicate standard input
telldir (3)          - return current location in directory stream
telldir (3p)         - current location of a named directory stream
Term::ReadLine (3pm) - Perl interface to various "readline" packages. If no r...
termio (7)           - System V terminal driver interface
test (1)             - check file types and compare values
test (1p)            - evaluate expression
Test::HACKING (3pm)  - contributing to TAP::Harness
Test::Harness (3pm)  - Run Perl standard test scripts with statistics
testsaslauthd (8)    - test utility for the SASL authentication server
Text::Abbrev (3pm)   - abbrev - create an abbreviation table from a list
Text::Balanced (3pm) - Extract delimited text sequences from strings.
thin_dump (8)        - dump thin provisioning metadata from device or file to...
thin_ls (8)          - List thin volumes within a pool.
thin_restore (8)     - restore thin provisioning metadata file to device or f...
thin_trim (8)        - Issue discard requests for free pool space (offline to...
threads::shared (3pm) - Perl extension for sharing data structures between th...
Tie::StdHandle (3pm) - base class definitions for tied handles
Tie::Hash (3pm)      - base class definitions for tied hashes
Tie::Scalar (3pm)    - base class definitions for tied scalars
Tie::SubstrHash (3pm) - Fixed-table-size, fixed-key-length hashing
timedatectl (1)      - Control the system time and date
timer_gettime (2)    - arm/disarm and fetch state of POSIX per-process timer
timer_settime (2)    - arm/disarm and fetch state of POSIX per-process timer
times.h (0p)         - file access and modification times structure
tload (1)            - graphic representation of system load average
tlsmgr (8)           - Postfix TLS session cache and PRNG manager
tlsproxy (8)         - Postfix TLS proxy
touch (1)            - change file timestamps
tput (1p)            - change terminal characteristics
trace (8)            - Postfix delivery status reports
tracepath (8)        - traces path to a network host discovering MTU along th...
tracepath6 (8)       - traces path to a network host discovering MTU along th...
traceroute (8)       - print the route packets trace to network host
traceroute6 (8)      - print the route packets trace to network host
transport (5)        - Postfix transport table format
trivial-rewrite (8)  - Postfix address rewriting and resolving daemon
troff (1)            - the troff processor of the groff text formatting system
trust (1)            - Tool for operating on the trust policy store
ts (1ssl)            - Time Stamping Authority tool (client/server)
tty (1)              - print the file name of the terminal connected to stand...
tune2fs (8)          - adjust tunable filesystem parameters on ext2/ext3/ext4...
turbostat (8)        - Report processor frequency and idle statistics
tuxcall (2)          - unimplemented system calls
umount (2)           - unmount file system
umount (8)           - unmount file systems
umount2 (2)          - unmount file system
uname (1)            - print system information
uname (1p)           - return system name
uname (3p)           - get the name of the current system
ungetc (3)           - input of characters and strings
ungetc (3p)          - push byte back into input stream
ungetwc (3)          - push back a wide character onto a FILE stream
ungetwc (3p)         - push wide-character code back into the input stream
Unicode::Collate::CJK::Stroke (3pm) - weighting CJK Unified Ideographs for Un...
Unicode::Collate::Locale (3pm) - Linguistic tailoring for DUCET via Unicode::...
unicode_start (1)    - put keyboard and console in unicode mode
unicode_stop (1)     - revert keyboard and console from unicode mode
unimplemented (2)    - unimplemented system calls
unistd.h (0p)        - standard symbolic constants and types
unlocked_stdio (3)   - nonlocking stdio functions
unlockpt (3)         - unlock a pseudoterminal master/slave pair
unlockpt (3p)        - unlock a pseudo-terminal master/slave pair
unzip (1)            - list, test and extract compressed files in a ZIP archive
unzipsfx (1)         - self-extracting stub for prepending to ZIP archives
unzstd (1)           - zstd, zstdmt, unzstd, zstdcat - Compress or decompress...
update-ca-trust (8)  - manage consolidated and dynamic configuration of CA ce...
uptime (1)           - Tell how long the system has been running.
URI::_punycode (3pm) - encodes Unicode string in Punycode
URI::Heuristic (3pm) - Expand URI using heuristics
URI::Split (3pm)     - Parse and compose URI strings
user.conf.d (5)      - System and session service manager configuration files
users (1)            - print the user names of users currently logged in to t...
ustat (2)            - get file system statistics
utime (2)            - change file last access and modification times
utime.h (0p)         - access and modification times structure
utimensat (2)        - change file timestamps with nanosecond precision
utimes (2)           - change file last access and modification times
utsname.h (0p)       - system name structure
uucp (1p)            - system-to-system copy
uustat (1p)          - uucp status inquiry and job control
va_arg (3)           - variable argument lists
va_arg (3p)          - handle variable argument list
va_copy (3)          - variable argument lists
va_copy (3p)         - handle variable argument list
va_end (3)           - variable argument lists
va_end (3p)          - handle variable argument list
va_start (3)         - variable argument lists
va_start (3p)        - handle variable argument list
vasprintf (3)        - print to allocated string
vdir (1)             - list directory contents
verify (8)           - Postfix address verification server
verifytree (1)       - verify that a local yum repository is consistent
vfprintf (3p)        - format output of a stdarg argument list
vfscanf (3p)         - format input of a stdarg argument list
vfwprintf (3p)       - wide-character formatted output of a stdarg argument list
vfwscanf (3p)        - wide-character formatted input of a stdarg argument list
vgcfgrestore (8)     - Restore volume group configuration
vgck (8)             - Check the consistency of volume group(s)
vgexport (8)         - Unregister volume group(s) from the system
vgimport (8)         - Register exported volume group with system
vgsplit (8)          - Move physical volumes into a new or existing volume group
virtual (5)          - Postfix virtual alias table format
virtual (8)          - Postfix virtual domain mail delivery agent
vmcore-dmesg (8)     - This is just a placeholder until real man page has bee...
vmstat (8)           - Report virtual memory statistics
vpddecode (8)        - VPD structure decoder
vprintf (3p)         - format output of a stdarg argument list
vscanf (3p)          - format input of a stdarg argument list
vserver (2)          - unimplemented system calls
vsnprintf (3p)       - format output of a stdarg argument list
vsprintf (3p)        - format output of a stdarg argument list
vsscanf (3p)         - format input of a stdarg argument list
vswprintf (3p)       - wide-character formatted output of a stdarg argument list
vswscanf (3p)        - wide-character formatted input of a stdarg argument list
vsyslog (3)          - send messages to the system logger
vwprintf (3p)        - wide-character formatted output of a stdarg argument list
vwscanf (3p)         - wide-character formatted input of a stdarg argument list
wait (2)             - wait for process to change state
wait (3p)            - wait for a child process to stop or terminate
wait3 (2)            - wait for process to change state, BSD style
wait4 (2)            - wait for process to change state, BSD style
waitid (2)           - wait for process to change state
waitid (3p)          - wait for a child process to change state
waitpid (2)          - wait for process to change state
waitpid (3p)         - wait for a child process to stop or terminate
warnings::register (3pm) - warnings import function
wcpcpy (3)           - copy a wide-character string, returning a pointer to i...
wcpncpy (3)          - copy a fixed-size string of wide characters, returning...
wcrtomb (3p)         - convert a wide-character code to a character (restarta...
wcscasecmp (3)       - compare two wide-character strings, ignoring case
wcscat (3)           - concatenate two wide-character strings
wcscat (3p)          - concatenate two wide-character strings
wcschr (3)           - search a wide character in a wide-character string
wcschr (3p)          - wide-character string scanning operation
wcscmp (3)           - compare two wide-character strings
wcscmp (3p)          - compare two wide-character strings
wcscoll (3p)         - wide-character string comparison using collating infor...
wcscpy (3)           - copy a wide-character string
wcscpy (3p)          - copy a wide-character string
wcscspn (3)          - search a wide-character string for any of a set of wid...
wcscspn (3p)         - get the length of a complementary wide substring
wcsdup (3)           - duplicate a wide-character string
wcsftime (3p)        - convert date and time to a wide-character string
wcslen (3)           - determine the length of a wide-character string
wcslen (3p)          - get wide-character string length
wcsncasecmp (3)      - compare two fixed-size wide-character strings, ignorin...
wcsncat (3)          - concatenate two wide-character strings
wcsncat (3p)         - concatenate a wide-character string with part of another
wcsncmp (3)          - compare two fixed-size wide-character strings
wcsncmp (3p)         - compare part of two wide-character strings
wcsncpy (3)          - copy a fixed-size string of wide characters
wcsncpy (3p)         - copy part of a wide-character string
wcsnlen (3)          - determine the length of a fixed-size wide-character st...
wcsnrtombs (3)       - convert a wide-character string to a multibyte string
wcspbrk (3)          - search a wide-character string for any of a set of wid...
wcspbrk (3p)         - scan a wide-character string for a wide-character code
wcsrchr (3)          - search a wide character in a wide-character string
wcsrchr (3p)         - wide-character string scanning operation
wcsrtombs (3)        - convert a wide-character string to a multibyte string
wcsrtombs (3p)       - convert a wide-character string to a character string ...
wcsspn (3)           - advance in a wide-character string, skipping any of a ...
wcsspn (3p)          - get the length of a wide substring
wcsstr (3)           - locate a substring in a wide-character string
wcsstr (3p)          - find a wide-character substring
wcstod (3p)          - convert a wide-character string to a double-precision ...
wcstof (3p)          - convert a wide-character string to a double-precision ...
wcstoimax (3)        - convert wide-character string to integer
wcstoimax (3p)       - convert a wide-character string to an integer type
wcstok (3)           - split wide-character string into tokens
wcstok (3p)          - split a wide-character string into tokens
wcstol (3p)          - convert a wide-character string to a long integer
wcstold (3p)         - convert a wide-character string to a double-precision ...
wcstoll (3p)         - convert a wide-character string to a long integer
wcstombs (3)         - convert a wide-character string to a multibyte string
wcstombs (3p)        - convert a wide-character string to a character string
wcstoul (3p)         - convert a wide-character string to an unsigned long
wcstoull (3p)        - convert a wide-character string to an unsigned long
wcstoumax (3)        - convert wide-character string to integer
wcstoumax (3p)       - convert a wide-character string to an integer type
wcswcs (3p)          - find a wide substring (LEGACY)
wcswidth (3)         - determine columns needed for a fixed-size wide-charact...
wcswidth (3p)        - number of column positions of a wide-character string
wcsxfrm (3p)         - wide-character string transformation
wdctl (8)            - show hardware watchdog status
who (1p)             - display who is on the system
wmemset (3)          - fill an array of wide-characters with a constant wide ...
word-list-compress (1) - word list compressor/decompressor for GNU Aspell
WWW::RobotRules::AnyDBM_File (3pm) - Persistent RobotRules
x_contexts (5)       - userspace SELinux labeling interface and configuration...
xargs (1)            - build and execute command lines from standard input
xargs (1p)           - construct argument lists and invoke utility
xdr_destroy (3)      - library routines for external data representation
xdr_pmaplist (3)     - library routines for remote procedure calls
xdr_string (3)       - library routines for external data representation
xdr_wrapstring (3)   - library routines for external data representation
xdrstdio_create (3)  - library routines for external data representation
xfs (5)              - layout, mount options, and supported file attributes f...
xfs_admin (8)        - change parameters of an XFS filesystem
xfs_copy (8)         - copy the contents of an XFS filesystem
xfs_db (8)           - debug an XFS filesystem
xfs_estimate (8)     - estimate the space that an XFS filesystem will take
xfs_freeze (8)       - suspend access to an XFS filesystem
xfs_fsr (8)          - filesystem reorganizer for XFS
xfs_growfs (8)       - expand an XFS filesystem
xfs_info (8)         - expand an XFS filesystem
xfs_io (8)           - debug the I/O path of an XFS filesystem
xfs_logprint (8)     - print the log of an XFS filesystem
xfs_mdrestore (8)    - restores an XFS metadump image to a filesystem image
xfs_metadump (8)     - copy XFS filesystem metadata to a file
xfs_quota (8)        - manage use of quota on XFS filesystems
xfs_repair (8)       - repair an XFS filesystem
xgettext (1)         - extract gettext strings from source
xhost (1)            - server access control program for X
xinput (1)           - utility to configure and test X input devices
XML::Parser::Style::Debug (3pm) - Debug style for XML::Parser
XML::Parser::Style::Objects (3pm) - (unknown subject)
XML::Parser::Style::Stream (3pm) - Stream style for XML::Parser
XML::Parser::Style::Subs (3pm) - (unknown subject)
XML::Parser::Style::Tree (3pm) - (unknown subject)
XML::SAX::PurePerl::Reader (3pm) - Abstract Reader factory class
xprt_register (3)    - library routines for remote procedure calls
xprt_unregister (3)  - library routines for remote procedure calls
xstdcmap (1)         - X standard colormap utility
yes (1)              - output a string repeatedly until killed
ypdomainname (1)     - show or set the system's NIS/YP domain name
yum-builddep (1)     - install missing dependencies for building an RPM package
yum-debug-dump (1)   - write system RPM configuration to a debug-dump file
yum-debug-restore (1) - replay Yum transactions captured in a debug-dump file
zipdetails (1)       - display the internal structure of zip files
zipinfo (1)          - list detailed information about a ZIP archive
zipnote (1)          - write the comments in zipfile to stdout, edit comments...
zsoelim (1)          - interpret .so requests in groff input
zstd (1)             - zstd, zstdmt, unzstd, zstdcat - Compress or decompress...
zstdcat (1)          - zstd, zstdmt, unzstd, zstdcat - Compress or decompress...
zstdgrep (1)         - print lines matching a pattern in zstandard-compressed...
zstdless (1)         - view zstandard-compressed files