log(2) - phpMan

.k5login (5)         - Kerberos V5 acl file for host access
access.conf (5)      - the login access control table file
aria_dump_log (1)    - Dump content of Aria log pages.
aria_read_log (1)    - display Aria log file contents
audit2allow (1)      - generate SELinux policy allow/dontaudit rules from log...
audit2why (1)        - generate SELinux policy allow/dontaudit rules from log...
aulastlog (8)        - a program similar to lastlog
aureport (8)         - a tool that produces summary reports of audit daemon logs
ausearch (8)         - a tool to query audit daemon logs
catclose (3)         - open/close a message catalog
catclose (3p)        - close a message catalog descriptor
catgets (3)          - get message from a message catalog
catopen (3)          - open/close a message catalog
catopen (3p)         - open a message catalog
CGI::Carp (3pm)      - CGI routines for writing to the HTTPD (or other) error...
chsh (1)             - change your login shell
clog (3)             - natural logarithm of a complex number
clog (3p)            - complex natural logarithm functions
clog10 (3)           - base-10 logarithm of a complex number
clog10f (3)          - base-10 logarithm of a complex number
clog10l (3)          - base-10 logarithm of a complex number
clog2 (3)            - base-2 logarithm of a complex number
clog2f (3)           - base-2 logarithm of a complex number
clog2l (3)           - base-2 logarithm of a complex number
clogf (3)            - natural logarithm of a complex number
clogl (3)            - natural logarithm of a complex number
closelog (3)         - send messages to the system logger
closelog (3p)        - control system log
CT_POLICY_EVAL_CTX_get0_log_store (3ssl) - Encapsulates the data required to ...
CT_POLICY_EVAL_CTX_set_shared_CTLOG_S... (3ssl) - Encapsulates the data requi...
CTLOG_free (3ssl)    - encapsulates information about a Certificate Transpare...
CTLOG_get0_log_id (3ssl) - encapsulates information about a Certificate Trans...
CTLOG_get0_name (3ssl) - encapsulates information about a Certificate Transpa...
CTLOG_get0_public_key (3ssl) - encapsulates information about a Certificate T...
CTLOG_new (3ssl)     - encapsulates information about a Certificate Transpare...
CTLOG_new_from_base64 (3ssl) - encapsulates information about a Certificate T...
CTLOG_STORE_free (3ssl) - Create and populate a Certificate Transparency log ...
CTLOG_STORE_get0_log_by_id (3ssl) - Get a Certificate Transparency log from a...
CTLOG_STORE_load_default_file (3ssl) - Create and populate a Certificate Tran...
CTLOG_STORE_load_file (3ssl) - Create and populate a Certificate Transparency...
CTLOG_STORE_new (3ssl) - Create and populate a Certificate Transparency log list
db_archive (1)       - Find unused log files for archival
db_log_verify (1)    - Verify log files of a database environment
db_printlog (1)      - Dumps log files into a human-readable format
dbilogstrip (1)      - filter to normalize DBI trace logs for diff'ing
dmsetup (8)          - low level logical volume management
dnf-changelog (8)    - DNF changelog Plugin
dnsblog (8)          - Postfix DNS white/blacklist logger
doveadm-dump (1)     - Dump the content of Dovecot's binary mailbox index/log
doveadm-log (1)      - Locate, test or reopen Dovecot's log files
doveadm-who (1)      - Show who is logged in to the Dovecot server
e2undo (8)           - Replay an undo log for an ext2/ext3/ext4 filesystem
ftpmail (1)          - FIFO-based Perl script for sending email based on prof...
ftpusers (5)         - list of users that may not log in via the FTP daemon
gamma (3)            - (logarithm of the) gamma function
gammaf (3)           - (logarithm of the) gamma function
gammal (3)           - (logarithm of the) gamma function
gencat (1p)          - generate a formatted message catalog
getlogin (3)         - get username
getlogin (3p)        - get login name
getlogin_r (3)       - get username
git-log (1)          - Show commit logs
git-reflog (1)       - Manage reflog information
git-rev-list (1)     - Lists commit objects in reverse chronological order
git-shell (1)        - Restricted login shell for Git-only SSH access
git-shortlog (1)     - Summarize 'git log' output
git-var (1)          - Show a Git logical variable
git-whatchanged (1)  - Show logs with differences each commit introduces
hunspell (1)         - spell checker, stemmer and morphological analyzer
ilogb (3)            - get integer exponent of a floating-point value
ilogb (3p)           - return an unbiased exponent
ilogbf (3)           - get integer exponent of a floating-point value
ilogbl (3)           - get integer exponent of a floating-point value
issue (5)            - prelogin message and identification file
k5login (5)          - Kerberos V5 acl file for host access
syslog (2)           - read and/or clear kernel message ring buffer; set cons...
klogctl (3)          - read and/or clear kernel message ring buffer; set cons...
last (1)             - show a listing of last logged in users
lastb (1)            - show a listing of last logged in users
lastlog (8)          - reports the most recent login of all users or of a giv...
lchsh (1)            - Change login shell
lgamma (3)           - log gamma function
lgamma (3p)          - log gamma function
lgamma_r (3)         - log gamma function
lgammaf (3)          - log gamma function
lgammaf_r (3)        - log gamma function
lgammal (3)          - log gamma function
lgammal_r (3)        - log gamma function
log (3)              - natural logarithmic function
log (3p)             - natural logarithm function
log10 (3)            - base-10 logarithmic function
log10 (3p)           - base 10 logarithm function
log10f (3)           - base-10 logarithmic function
log10l (3)           - base-10 logarithmic function
log1p (3)            - logarithm of 1 plus argument
log1p (3p)           - compute a natural logarithm
log1pf (3)           - logarithm of 1 plus argument
log1pl (3)           - logarithm of 1 plus argument
log2 (3)             - base-2 logarithmic function
log2 (3p)            - compute base 2 logarithm functions
log2f (3)            - base-2 logarithmic function
log2l (3)            - base-2 logarithmic function
logb (3)             - get exponent of a floating-point value
logb (3p)            - radix-independent exponent
logbf (3)            - get exponent of a floating-point value
logbl (3)            - get exponent of a floating-point value
logf (3)             - natural logarithmic function
logf (3p)            - natural logarithm function
logger (1)           - enter messages into the system log
logger (1p)          - log messages
login (1)            - begin session on the system
login (3)            - write utmp and wtmp entries
login.defs (5)       - shadow password suite configuration
login_tty (3)        - terminal utility functions
loginctl (1)         - Control the systemd login manager
logind.conf (5)      - Login manager configuration files
logind.conf.d (5)    - Login manager configuration files
logl (3)             - natural logarithmic function
logname (1)          - print user's login name
logname (1p)         - return the user's login name
logout (1)           - bash built-in commands, see bash(1)
logout (3)           - write utmp and wtmp entries
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
logsave (8)          - save the output of a command in a logfile
logwtmp (3)          - append an entry to the wtmp file
lslogins (1)         - display information about known users in the system
lvchange (8)         - Change the attributes of logical volume(s)
lvconvert (8)        - Change logical volume layout
lvcreate (8)         - Create a logical volume
lvdisplay (8)        - Display information about a logical volume
lvextend (8)         - Add space to a logical volume
lvreduce (8)         - Reduce the size of a logical volume
lvremove (8)         - Remove logical volume(s) from the system
lvrename (8)         - Rename a logical volume
lvresize (8)         - Resize a logical volume
lvs (8)              - Display information about logical volumes
lvscan (8)           - List all logical volumes in all volume groups
Mail::SpamAssassin::Logger (3pm) - SpamAssassin logging module
Mail::SpamAssassin::Logger::File (3pm) - log to file
Mail::SpamAssassin::Logger::Stderr (3pm) - log to standard error
Mail::SpamAssassin::Logger::Syslog (3pm) - log to syslog
msgattrib (1)        - attribute matching and manipulation on message catalog
msgcat (1)           - combines several message catalogs
msgcmp (1)           - compare message catalog and template
msgcomm (1)          - match two message catalogs
msgconv (1)          - character set conversion for message catalog
msgen (1)            - create English message catalog
msgexec (1)          - process translations of message catalog
msgfilter (1)        - edit translations of message catalog
msgfmt (1)           - compile message catalog to binary format
msggrep (1)          - pattern matching on message catalog
msginit (1)          - initialize a message catalog
msgmerge (1)         - merge message catalog and template
msgunfmt (1)         - uncompile message catalog from binary format
msguniq (1)          - unify duplicate translations in message catalog
mtrace (1)           - interpret the malloc trace log
myisamlog (1)        - display MyISAM log file contents
mysqlbinlog (1)      - utility for processing binary log files
mysqldumpslow (1)    - Summarize slow query log files
newgrp (1)           - log in to a new group
nologin (5)          - prevent unprivileged users from logging into the system
nologin (8)          - politely refuse a login
openlog (3)          - send messages to the system logger
openlog (3p)         - open a connection to the logging facility
pam_access (8)       - PAM module for logdaemon style login access control
pam_lastlog (8)      - PAM module to display date of last login and perform i...
pam_loginuid (8)     - Record user's login uid to the process attribute
pam_nologin (8)      - Prevent non-root users from login
pam_securetty (8)    - Limit root login to special devices
pam_sepermit (8)     - PAM module to allow/deny login depending on SELinux en...
pam_shells (8)       - PAM module to check for valid login shell
pam_systemd (8)      - Register user sessions in the systemd login manager
pam_warn (8)         - PAM module which logs all PAM items if called
perlsynology (1)     - Perl 5 on Synology DSM systems
posix_trace_attr_getinherited (3p) - retrieve and set the behavior of a trace...
posix_trace_attr_getlogsize (3p) - retrieve and set trace stream size attribu...
posix_trace_attr_setlogsize (3p) - retrieve and set trace stream size attribu...
posix_trace_clear (3p) - clear trace stream and trace log (TRACING)
posix_trace_close (3p) - trace log management (TRACING)
posix_trace_create (3p) - trace stream initialization, flush, and shutdown fr...
posix_trace_open (3p) - trace log management (TRACING)
postlog (1)          - Postfix-compatible logging utility
postlogd (8)         - Postfix internal log server
postlogin (5)        - Common configuration file for PAMified services
pslog (1)            - report current logs path of a process
rotatelogs (8)       - Piped logging program to rotate Apache logs
rsyslog.conf (5)     - rsyslogd(8) configuration file
rsyslogd (8)         - reliable and extended syslogd
SCT_get0_log_id (3ssl) - A Certificate Transparency Signed Certificate Timestamp
SCT_get_log_entry_type (3ssl) - A Certificate Transparency Signed Certificate...
SCT_set0_log_id (3ssl) - A Certificate Transparency Signed Certificate Timestamp
SCT_set1_log_id (3ssl) - A Certificate Transparency Signed Certificate Timestamp
SCT_set_log_entry_type (3ssl) - A Certificate Transparency Signed Certificate...
securetty (5)        - file which lists terminals from which root can log in
semanage-login (8)   - SELinux Policy Management linux user to SELinux User m...
setlogmask (3)       - set log priority mask
setlogmask (3p)      - set the log priority mask
shells (5)           - pathnames of valid login shells
signgam (3)          - log gamma function
signgam (3p)         - log gamma function
ssh (1)              - OpenSSH SSH client (remote login program)
ssh-copy-id (1)      - use locally available keys to authorise logins on a re...
SSL_CTX_get_keylog_callback (3ssl) - logging TLS key material
SSL_CTX_keylog_cb_func (3ssl) - logging TLS key material
SSL_CTX_set_ctlog_list_file (3ssl) - load a Certificate Transparency log list...
SSL_CTX_set_default_ctlog_list_file (3ssl) - load a Certificate Transparency ...
SSL_CTX_set_keylog_callback (3ssl) - logging TLS key material
SSL_SESSION_print_keylog (3ssl) - printf information about a session
strace-log-merge (1) - merge strace - ff - tt output
sudoreplay (8)       - replay sudo session logs
sulogin (8)          - single-user login
Sys::Syslog (3pm)    - Perl interface to the UNIX syslog(3) calls
syslog (3)           - send messages to the system logger
syslog (3p)          - log a message
syslog.h (0p)        - definitions for system error logging
systemd-cryptsetup (8) - Full disk decryption logic
systemd-cryptsetup@.service (8) - Full disk decryption logic
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-halt.service (8) - System shutdown logic
systemd-hibernate.service (8) - System sleep state logic
systemd-hybrid-sleep.service (8) - System sleep state logic
systemd-journald-dev-log.socket (8) - Journal service
systemd-kexec.service (8) - System shutdown logic
systemd-logind (8)   - Login manager
systemd-logind.service (8) - Login manager
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-reboot.service (8) - System shutdown logic
systemd-shutdown (8) - System shutdown logic
systemd-sleep (8)    - System sleep state logic
systemd-suspend-then-hibernate.service (8) - System sleep state logic
systemd-suspend.service (8) - System sleep state logic
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-veritysetup (8) - Disk integrity protection logic
systemd-veritysetup@.service (8) - Disk integrity protection logic
tsort (1)            - perform topological sort
tsort (1p)           - topological sort
users (1)            - print the user names of users currently logged in to t...
utmp (5)             - login records
utmpx (5)            - login records
vsyslog (3)          - send messages to the system logger
w (1)                - Show who is logged on and what they are doing.
watchgnupg (1)       - Read and print logs from a socket
webalizer (1)        - A web server log file analysis tool.
webazolver (1)       - A web server log file analysis tool.
who (1)              - show who is logged on
wtmp (5)             - login records
xferlog (5)          - ProFTPD server logfile
xfs_logprint (8)     - print the log of an XFS filesystem
xinetd.log (5)       - xinetd service log format
xmlcatalog (1)       - Command line tool to parse and manipulate XML or SGML ...
yum-changelog (1)    - redirecting to DNF changelog Plugin