ff(1) - phpMan

_llseek (2)          - reposition read/write file offset
acct (2)             - switch process accounting on or off
Algorithm::Diff (3pm) - Compute `intelligent' differences between two files /...
Algorithm::DiffOld (3pm) - Compute `intelligent' differences between two file...
basename (1)         - strip directory and suffix from filenames
bdflush (2)          - start, flush, or tune buffer-dirty-flush daemon
Bit::Vector (3pm)    - Efficient bit vector, set of integers and "big int" ma...
bzdiff (1)           - compare bzip2 compressed files
cerff (3)            - complex error function
clockdiff (8)        - measure clock difference between hosts
colcrt (1)           - filter nroff output for CRT previewing
compare (1)          - mathematically and visually annotate the difference be...
Date::Calendar (3pm) - Calendar objects for different holiday schemes
dbilogstrip (1)      - filter to normalize DBI trace logs for diff'ing
dbus-test-tool (1)   - D-Bus traffic generator and test tool
devlink-sb (8)       - devlink shared buffer configuration
diff (1)             - compare files line by line
diff (1p)            - compare two files
diff3 (1)            - compare three files line by line
difftime (3)         - calculate time difference
difftime (3p)        - compute the difference between two calendar time values
dmesg (1)            - print or control the kernel ring buffer
eaccess (3)          - check effective user's permissions for a file
eqn (1)              - format equations for troff or MathML
erff (3)             - error function
erff (3p)            - error functions
euidaccess (3)       - check effective user's permissions for a file
fdim (3)             - positive difference
fdim (3p)            - compute positive difference between two floating-point...
fdimf (3)            - positive difference
fdimf (3p)           - compute positive difference between two floating-point...
fdiml (3)            - positive difference
fdiml (3p)           - compute positive difference between two floating-point...
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
File::Basename (3pm) - Parse file paths into directory, filename and suffix.
ftell (3p)           - return a file offset in a stream
ftello (3p)          - return a file offset in a stream
geqn (1)             - format equations for troff or MathML
getegid (3p)         - get the effective group ID
geteuid (3p)         - get the effective user ID
getresgid (2)        - get real, effective and saved user/group IDs
getresgid32 (2)      - get real, effective and saved user/group IDs
getresuid (2)        - get real, effective and saved user/group IDs
getresuid32 (2)      - get real, effective and saved user/group IDs
getunwind (2)        - copy the unwind data to caller's buffer
git-diff (1)         - Show changes between commits, commit and working tree,...
git-diff-files (1)   - Compares files in the working tree and the index
git-diff-index (1)   - Compares content and mode of blobs between the index a...
git-diff-tree (1)    - Compares the content and mode of blobs found via two t...
git-difftool (1)     - Show changes using common diff tools
git-pack-refs (1)    - Pack heads and tags for efficient repository access
git-whatchanged (1)  - Show logs with difference each commit introduces
gitdiffcore (7)      - Tweaking diff output
gnroff (1)           - emulate nroff command with groff
gpic (1)             - compile pictures for troff or TeX
groff (1)            - front-end for the groff document formatting system
grops (1)            - PostScript driver for groff
grotty (1)           - groff driver for typewriter-like devices
gsoelim (1)          - interpret .so requests in groff input
gtbl (1)             - format tables for troff
gtroff (1)           - the troff processor of the groff text formatting system
halt (8)             - Halt, power-off or reboot the machine
hunspell (4)         - format of Hunspell dictionaries and affix files
id (1)               - print real and effective user and group IDs
innochecksum (1)     - offline InnoDB file checksum utility
IO::Compress::Bzip2 (3pm) - Write bzip2 files/buffers
IO::Compress::Deflate (3pm) - Write RFC 1950 files/buffers
IO::Compress::Gzip (3pm) - Write RFC 1952 files/buffers
IO::Compress::RawDeflate (3pm) - Write RFC 1951 files/buffers
IO::Compress::Zip (3pm) - Write zip files/buffers
IO::Uncompress::AnyInflate (3pm) - Uncompress zlib-based (zip, gzip) file/buffer
IO::Uncompress::AnyUncompress (3pm) - Uncompress gzip, zip, bzip2 or lzop fil...
IO::Uncompress::Bunzip2 (3pm) - Read bzip2 files/buffers
IO::Uncompress::Gunzip (3pm) - Read RFC 1952 files/buffers
IO::Uncompress::Inflate (3pm) - Read RFC 1950 files/buffers
IO::Uncompress::RawInflate (3pm) - Read RFC 1951 files/buffers
IO::Uncompress::Unzip (3pm) - Read zip files/buffers
isinff (3)           - BSD floating-point classification functions
klogctl (3)          - read and/or clear kernel message ring buffer; set cons...
llseek (2)           - reposition read/write file offset
lseek (2)            - reposition read/write file offset
lseek (3p)           - move the read/write file offset
lseek64 (3)          - reposition 64-bit read/write file offset
xzcmp (1)            - compare compressed files
modff (3)            - extract signed integral and fractional values from flo...
modff (3p)           - decompose a floating-point number
moduli (5)           - Diffie-Hellman moduli
mogrify (1)          - resize an image, blur, crop, despeckle, dither, draw o...
Net::POP3 (3pm)      - Post Office Protocol 3 Client class (RFC1939)
nroff (1)            - emulate nroff command with groff
offsetof (3)         - offset of a structure member
pic (1)              - compile pictures for troff or TeX
POD2::DE::local::lib (3pm) - Erschaffen und benutzen von Perl Modulen in eine...
pod2man (1)          - Convert POD data to formatted *roff input
Pod::Man (3pm)       - Convert POD data to formatted *roff input
Pod::Perldoc::ToNroff (3pm) - let Perldoc convert Pod to nroff
posix_mem_offset (3p) - find offset and length of a mapped typed memory block...
poweroff (8)         - Halt, power-off or reboot the machine
pread (2)            - read from or write to a file descriptor at a given offset
pread64 (2)          - read from or write to a file descriptor at a given offset
preadv (2)           - read or write data into multiple buffers
preconv (1)          - convert encoding of input files to something GNU troff...
ptardiff (1)         - program that diffs an extracted archive against an une...
pthread_attr_getaffinity_np (3) - set/get CPU affinity attribute in thread at...
pthread_attr_setaffinity_np (3) - set/get CPU affinity attribute in thread at...
pthread_getaffinity_np (3) - set/get CPU affinity of a thread
pthread_setaffinity_np (3) - set/get CPU affinity of a thread
pwrite (2)           - read from or write to a file descriptor at a given offset
pwrite64 (2)         - read from or write to a file descriptor at a given offset
pwritev (2)          - read or write data into multiple buffers
readv (2)            - read or write data into multiple buffers
reboot (8)           - Halt, power-off or reboot the machine
repodiff (1)         - list differences between two or more Yum repositories
rpmatch (3)          - determine if the answer to a question is affirmative o...
sched_getaffinity (2) - set and get a process's CPU affinity mask
sched_setaffinity (2) - set and get a process's CPU affinity mask
sdiff (1)            - side-by-side merge of file differences
setbuf (3)           - stream buffering operations
setbuf (3p)          - assign buffering to a stream
setbuffer (3)        - stream buffering operations
setegid (2)          - set effective user or group ID
setegid (3p)         - set the effective group ID
seteuid (2)          - set effective user or group ID
seteuid (3p)         - set effective user ID
setlinebuf (3)       - stream buffering operations
setpriv (1)          - run a program with different Linux privilege settings
setregid (2)         - set real and/or effective user or group ID
setregid (3p)        - set real and effective group IDs
setregid32 (2)       - set real and/or effective user or group ID
setresgid (2)        - set real, effective and saved user or group ID
setresgid32 (2)      - set real, effective and saved user or group ID
setresuid (2)        - set real, effective and saved user or group ID
setresuid32 (2)      - set real, effective and saved user or group ID
setreuid (2)         - set real and/or effective user or group ID
setreuid (3p)        - set real and effective user IDs
setreuid32 (2)       - set real and/or effective user or group ID
setvbuf (3)          - stream buffering operations
setvbuf (3p)         - assign buffering to a stream
sg (1)               - execute command as different group ID
shutdown (8)         - Halt, power-off or reboot the machine
soelim (1)           - interpret .so requests in groff input
stdbuf (1)           - Run COMMAND, with modified buffering operations for it...
stdio.h (0p)         - standard buffered input/output
strace-log-merge (1) - merge strace - ff - tt output
suffixes (7)         - list of file suffixes
sw-collectd-tg (1)   - Traffic generator for collectd.
swapoff (2)          - start/stop swapping to file/device
swapoff (8)          - enable/disable devices and files for paging and swapping
sync (2)             - commit buffer cache to disk
syncfs (2)           - commit buffer cache to disk
syslog (2)           - read and/or clear kernel message ring buffer; set cons...
systemd-poweroff.service (8) - System shutdown logic
systemd-system-update-generator (8) - Generator for redirecting boot to offli...
TAP::Parser::SourceHandler (3pm) - Base class for different TAP source handlers
taskset (1)          - retrieve or set a process's CPU affinity
tbl (1)              - format tables for troff
tc (8)               - show / manipulate traffic control settings
tc-basic (8)         - basic traffic control filter
tc-cgroup (8)        - control group based traffic control filter
tc-flow (8)          - flow based traffic control filter
tc-flower (8)        - flow based traffic control filter
tc-fq (8)            - Fair Queue traffic policing
tc-fw (8)            - fwmark traffic control filter
tc-matchall (8)      - traffic control filter that matches every packet
tc-mqprio (8)        - Multiqueue Priority Qdisc (Offloaded Hardware QOS)
tc-route (8)         - route traffic control filter
tc-tcindex (8)       - traffic control index filter
tc-u32 (8)           - universal 32bit traffic control filter
Text::Diff (3pm)     - Perform diffs on files and record sets
Text::Diff::Config (3pm) - global configuration for Text::Diff (as a separate...
Text::Diff::Table (3pm) - Text::Diff plugin to generate "table" format output
thin_delta (8)       - Print the differences in the mappings between two thin...
thin_trim (8)        - Issue discard requests for free pool space (offline to...
Tie::Hash::NamedCapture (3pm) - Named regexp capture buffers
Time::Local (3pm)    - efficiently compute time from local and GMT time
troff (1)            - the troff processor of the groff text formatting system
whoami (1)           - print effective userid
writev (2)           - read or write data into multiple buffers
xzdiff (1)           - compare compressed files
zdiff (1)            - compare compressed files
zsoelim (1)          - interpret .so requests in groff input