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Hubert Tournier edited this page May 16, 2021 · 34 revisions

The Monster Manual

This page lists the commands available in POSIX or modern FreeBSD, along with the short description provided by the whatis(1) command, links to manual pages in POSIX and FreeBSD, FreeBSD source code, number of Single Lines of Code (without comments), Languages identified, and eventual Jargon file entry..

POSIX commands

POSIX commands selected for reimplementation

Command Whatis POSIX man src SLOC Languages Jargon Comments

Other POSIX commands

Command Whatis POSIX man src SLOC Languages Jargon Comments
admin posix jargon
alias posix src 1 Bash
ar create, modify, and extract from archives posix man(1) src 1082 C
asa interpret carriage-control characters posix man(1) src 77 C
at queue, examine or delete jobs for later execution posix man(1) src 1065 C
awk pattern-directed scanning and processing language posix man(1) src 0 jargon
basename posix src 83 C
batch posix jargon
bc arbitrary-precision decimal arithmetic language and calculator posix man(1) src 57 C
bg shell builtin posix man(1)
c99 standard C language compiler posix man(1) src 66 C
cal displays a calendar and the date of Easter posix man(1)
cat concatenate and print files posix man(1) src 350 C jargon
cd posix
cflow posix
chgrp change group posix man(1)
chmod change file modes posix man(1) src 261 C, Bash
chown change file owner and group posix man(8) src 353 C, Bash
cksum display file checksums and block counts posix man(1) src 356 C
cmp compare two files posix man(1) src 447 C, Bash
comm select or reject lines common to two files posix man(1) src 168 C, Bash
command posix
compress compress and expand data posix man(1) src 854 C, Bash, Objective-C jargon
cp copy files posix man(1) src 710 C, Bash
crontab maintain crontab files for individual users (V3) posix man(1)
csplit split files based on context posix man(1) src 302 C, Bash
ctags create a tags file posix man(1) src 952 C
cut cut out selected portions of each line of a file posix man(1) src 346 C, Bash
cxref posix
date display or set date and time posix man(1) src 731 C, Bash
dd convert and copy a file posix man(1) src 1419 C, Bash jargon
delta posix jargon
df display free disk space posix man(1) src 425 C
diff differential file and directory comparator posix man(1) src 2090 C, Bash jargon
dirname posix src 40 C
du display disk usage statistics posix man(1) src 478 C, Bash
echo write arguments to the standard output posix man(1) src 88 C, Bash
ed text editor posix man(1) src 2216 C, Bash, D, REBOL jargon
env set environment and execute command, or print environment posix man(1) src 401 C
ex text editors posix man(1)
expand expand tabs to spaces, and vice versa posix man(1) src 126 C
expr evaluate expression posix man(1) src 0
false return false value posix man(1) src 11 C
fc shell builtin posix man(1)
fg shell builtin posix man(1)
file posix src 0
find walk a file hierarchy posix man(1) src 1839 C, Bash
fold fold long lines for finite width output device posix man(1) src 164 C, Bash
fort77 posix
fuser list IDs of all processes that have one or more files open posix man(1)
gencat NLS catalog compiler posix man(1) src 431 C
get posix
getconf retrieve standard configuration variables posix man(1) src 344 C, Bash, Awk
getopts shell builtin posix man(1)
grep file pattern searcher posix man(1) src 1464 C, Bash jargon
hash posix
head display first lines of a file posix man(1) src 208 C, Bash
iconv posix src 149 C
id return user identity posix man(1) src 343 C
ipcrm remove the specified message queues, semaphore sets, and shared segments posix man(1) src 199 C
ipcs report System V interprocess communication facilities status posix man(1) src 565 C
jobs shell builtin posix man(1)
join relational database operator posix man(1) src 461 C, Bash
kill terminate or signal a process posix man(1) src 130 C
lex fast lexical analyzer generator posix man(1) src 5122 C, Awk
link posix
ln link files posix man(1) src 353 C, Bash
locale get locale-specific information posix man(1) src 776 C, Bash
localedef define locale environment posix man(1) src 2936 C
logger make entries in the system log posix man(1) src 315 C
logname display user's login name posix man(1) src 29 C
lp posix
ls list directory contents posix man(1) src 2232 C, Bash
m4 macro language processor posix man(1) src 2433 C, Bash
mailx send and receive mail posix man(1)
make maintain program dependencies posix man(1)
man display online manual documentation pages posix man(1) src 691 Bash
mesg display (do not display) messages from other users posix man(1) src 56 C
mkdir make directories posix man(1) src 147 C, Bash
mkfifo make fifos posix man(1) src 59 C
more opposite of more posix man(1)
mv move files posix man(1) src 543 C, Bash
newgrp change to a new group posix man(1) src 200 C
nice execute a utility at an altered scheduling priority posix man(1) src 58 C
nl line numbering filter posix man(1) src 267 C
nm posix src 0
nohup invoke a utility immune to hangups posix man(1) src 66 C
od octal, decimal, hex, ASCII dump posix man(1)
paste merge corresponding or subsequent lines of files posix man(1) src 187 C
patch apply a diff file to an original posix man(1) src 2886 C, Bash jargon
pathchk check pathnames posix man(1) src 114 C
pax read and write file archives and copy directory hierarchies posix man(1) src 6802 C, Perl
pr print files posix man(1) src 1223 C, Bash
printf formatted output posix man(1) src 509 C, Bash
prs posix
ps process status posix man(1) src 2028 C
pwd return working directory name posix man(1) src 60 C
qalter posix
qdel posix
qhold posix
qmove posix
qmsg posix
qrerun posix
qrls posix
qselect posix
qsig posix
qstat posix
qsub posix
read posix
renice alter priority of running processes posix man(8) src 109 C
rm remove directory entries posix man(1) src 383 C, Bash
rmdel posix
rmdir remove directories posix man(1) src 81 C, Bash
sact posix
sccs posix
sed stream editor posix man(1) src 2261 C, Bash
sh command interpreter (shell) posix man(1) src 10842 C, Bash
sleep suspend execution for an interval of time posix man(1) src 52 C jargon
sort sort or merge records (lines) of text and binary files posix man(1) src 4148 C
split split a file into pieces posix man(1) src 261 C
strings posix src 0
strip posix
stty set the options for a terminal device interface posix man(1) src 875 C
tabs set terminal tabs posix man(1) src 147 C
tail display the last part of a file posix man(1) src 1021 C, Bash
talk talk to another user posix man(1) src 835 C
tee duplicate standard input posix man(1) src 99 C jargon
test posix src 599 C, Bash jargon
time time command execution posix man(1) src 213 C
touch change file access and modification times posix man(1) src 267 C
tput terminal capability interface posix man(1) src 137 C, Bash
tr translate characters posix man(1) src 889 C, Bash
true return true value posix man(1) src 9 C
tsort topological sort of a directed graph posix man(1) src 253 C
tty return user's terminal name posix man(1) src 34 C jargon
type posix
ulimit posix
umask posix
unalias shell builtin posix man(1)
uname display information about the system posix man(1) src 207 C
uncompress compress and expand data posix man(1)
unexpand expand tabs to spaces, and vice versa posix man(1) src 140 C
unget posix
uniq report or filter out repeated lines in a file posix man(1) src 256 C
unlink posix
uucp posix
uudecode encode/decode a binary file posix man(1) src 325 C, Bash
uuencode posix src 151 C, Bash
uustat posix
uux posix
val posix
vi text editors posix man(1) src 21 C jargon
wait posix
wc word, line, character, and byte count posix man(1) src 262 C
what show what versions of object modules were used to construct a file posix man(1) src 80 C
who display who is on the system posix man(1) src 217 C
write send a message to another user posix man(1) src 218 C
xargs construct argument list(s) and execute utility posix man(1) src 570 C, Bash
yacc an LALR(1) parser generator posix man(1) src 6 Bash
zcat compression/decompression tool using Lempel-Ziv coding (LZ77) posix man(1)

FreeBSD /bin commands

FreeBSD /bin commands selected for reimplementation

Command Whatis man src SLOC Languages Jargon Comments

Other FreeBSD /bin commands

Command Whatis man src SLOC Languages Jargon Comments
chflags change file flags man(1) src 173 C, Bash
chio medium changer control utility man(1) src 777 C
csh C shell with file name completion and command line editing man(1) src 147 C
domainname set or print name of current YP/NIS domain man(1) src 40 C
freebsd-version freebsd-version(1) - print the version and patch level of the installed system man(1) src 0
getfacl get ACL information man(1) src 229 C
hostname set or print name of current host system man(1) src 58 C
kenv dump or modify the kernel environment man(1) src 140 C
pgrep find or signal processes by name man(1)
pkill find or signal processes by name man(1) src 1484 Bash, C
pwait wait for processes to terminate man(1) src 357 Bash, C
realpath return resolved physical path man(1) src 40 C
red text editor man(1)
rmail handle remote mail received via uucp man(8) src 0
setfacl set ACL information man(1) src 764 C
sync force completion of pending disk writes (flush cache) man(8) src 14 C jargon
tcsh C shell with file name completion and command line editing man(1) src 40933 C, Tcsh, EmacsLisp
uuidgen generate universally unique identifiers man(1) src 76 C

FreeBSD /usr/bin commands

FreeBSD /usr/bin commands selected for reimplementation

Command Whatis man src SLOC Languages Jargon Comments

Other FreeBSD /usr/bin commands

Command Whatis man src SLOC Languages Jargon Comments
CC
Mail
addr2line src 0
apply apply a command to a set of arguments man(1) src 156 C, Bash
apropos search manual page databases man(1)
asn1_compile
atq queue, examine or delete jobs for later execution man(1)
atrm queue, examine or delete jobs for later execution man(1)
b64decode encode/decode a binary file man(1)
b64encode encode/decode a binary file man(1)
backlight configure backlight hardware man(8) src 163 C
banner print large banner on printer man(6) src 1086 C jargon
biff be notified if mail arrives and who it is from man(1) src 60 C jargon
brandelf mark an ELF binary for a specific ABI man(1) src 151 C
bsdcat src 13 Bash
bsdcpio
bsdiff generate a patch between two binary files man(1) src 505 C
bsdtar
bsnmpget simple tools for querying SNMP agents man(1)
bsnmpset simple tools for querying SNMP agents man(1)
bsnmpwalk simple tools for querying SNMP agents man(1)
bspatch apply a patch built with bsdiff 1 man(1)
bthost look up Bluetooth host names and Protocol Service Multiplexor values man(1)
btsockstat show Bluetooth sockets information man(1)
bunzip2 a block-sorting file compressor, v1.0.8 bzcat - decompresses files to stdout bzip2recover - recovers data from damaged bzip2 files man(1)
byacc an LALR(1) parser generator man(1) src 84795 C, Bash
bzcat a block-sorting file compressor, v1.0.8 bzcat - decompresses files to stdout bzip2recover - recovers data from damaged bzip2 files man(1)
bzegrep grep compressed files man(1)
bzfgrep grep compressed files man(1)
bzgrep grep compressed files man(1)
bzip2 a block-sorting file compressor, v1.0.8 bzcat - decompresses files to stdout bzip2recover - recovers data from damaged bzip2 files man(1) src 0
bzip2recover a block-sorting file compressor, v1.0.8 bzcat - decompresses files to stdout bzip2recover - recovers data from damaged bzip2 files man(1) src 0
bzless
c++
c++filt
c89 POSIX.2 C language compiler man(1) src 46 C
caesar decrypt caesar ciphers man(6) src 77 C, Bash
calendar reminder service man(1) src 2667 C, Bash
cap_mkdb create capability database man(1) src 149 C
cc
chat Automated conversational script with a modem man(8) src 978 C
chfn add or change user database information man(1)
chkey change your encryption key man(1) src 177 C
chpass add or change user database information man(1) src 704 C
chsh add or change user database information man(1)
clang src 1 Bash
clang++
clang-cpp clang, c++, cc, CC, clang++, clang-cpp, cpp(1) - the Clang C, C++, and Objective-C compiler man(1)
clang-tblgen
clear
col filter reverse line feeds from input man(1) src 484 C, Bash
colrm remove columns from a file man(1) src 84 C
column columnate lists man(1) src 242 C
compile_et error table compiler man(1) src 0
cpio src 13 Bash
cpp clang, c++, cc, CC, clang++, clang-cpp, cpp(1) - the Clang C, C++, and Objective-C compiler man(1)
cpuset configure processor sets man(1) src 332 C
crunchgen generates build environment for a crunched binary man(1)
crunchide hides symbol names from ld, for crunching programs together man(1)
crypt
ctfconvert convert debug data to CTF data man(1)
ctfdump dump the SUNW_ctf section of an ELF file man(1)
ctfmerge merge several CTF data sections into one man(1)
ctlstat CAM Target Layer statistics utility man(8) src 555 C
cu call UNIX man(1)
dc dc man(1) src 2124 C, Bash
dialog display dialog boxes from shell scripts man(1) src 16721 C, Perl, Python, Bash
diff3 compare three files line by line man(1) src 520 C, Bash
dpv stream data from stdin or multiple paths with dialog progress view man(1) src 365 C
drill get (debug) information out of DNS(SEC) man(1) src 0
dtc device tree compiler man(1) src 3221 C++
edit easy editor man(1)
ee easy editor man(1) src 0
egrep file pattern searcher man(1)
elfctl change an ELF binary's feature control note man(1) src 288 C
elfdump display information about ELF files man(1) src 989 C
enigma very simple file encryption man(1) src 112 C
etdump Dump El Torito boot catalog information from ISO images man(1, 8) src 261 C
factor factor a number, generate primes man(6) src 240 C jargon
fetch retrieve a file by Uniform Resource Locator man(1) src 837 C
fgrep file pattern searcher man(1)
file2c convert file to c-source man(1) src 79 C, Bash
finger user information lookup program man(1) src 1066 C jargon
flex fast lexical analyzer generator man(1) src 6254 C, Bash
flex++
fmt simple text formatter man(1) src 386 C
fortune print a random, hopefully interesting, adage man(6) src 1329 C, Python
from print names of those who have sent mail man(1) src 106 C
fstat identify active files man(1) src 740 C
fsync synchronize a file's in-core state with that on disk man(1) src 35 C
ftp src 135 C
gate-ftp ftp, gate-ftp, pftp(1) - Internet file transfer program man(1)
gcore get core images of running process man(1) src 857 C
gcov llvm-cov, gcov(1) - emit coverage information man(1)
getaddrinfo resolve names to socket addresses man(1) src 228 C, Awk
getent get entries from administrative database man(1) src 489 C
getopt parse command options man(1) src 31 C
gprof src 2017 C
grdc grand digital clock (curses) man(6) src 185 C
groups show group memberships man(1)
gunzip compression/decompression tool using Lempel-Ziv coding (LZ77) man(1)
gzcat compression/decompression tool using Lempel-Ziv coding (LZ77) man(1)
gzexe create auto-decompressing executables man(1)
gzip compression/decompression tool using Lempel-Ziv coding (LZ77) man(1) src 2753 C
hd ASCII, decimal, hexadecimal, octal dump man(1)
hexdump src 1418 C, Bash
host src 0
hxtool
ibstat
ibv_asyncwatch display asynchronous events man(1)
ibv_devices list RDMA devices man(1)
ibv_devinfo query RDMA devices man(1)
ibv_rc_pingpong simple InfiniBand RC transport test man(1)
ibv_srq_pingpong simple InfiniBand shared receive queue test man(1)
ibv_uc_pingpong simple InfiniBand UC transport test man(1)
ibv_ud_pingpong simple InfiniBand UD transport test man(1)
ident identify RCS keyword string in files man(1) src 169 C, Bash
indent indent and format C program source man(1) src 2464 C, Bash, Prolog
install install binaries man(1)
iscsictl iSCSI initiator management utility man(8) src 960 C
jot print sequential or random data man(1) src 443 C, Bash
kadmin Kerberos administration utility man(8)
kcc
kdestroy remove one credential or destroy the current ticket file man(1)
kdump display kernel trace data man(1) src 1855 C
keylogin decrypt and store secret key man(1) src 35 C
keylogout delete stored secret key man(1) src 20 C
kf securely forward tickets man(1)
kgetcred get a ticket for a particular service man(1)
killall kill processes by name man(1) src 347 C
kinit acquire initial tickets man(1)
klist list Kerberos credentials man(1)
kpasswd Kerberos 5 password changing program man(1)
krb5-config krb5-config(1) - give information on how to link code against Heimdal libraries man(1)
ksu
kswitch switch between default credential caches man(1, SECTION)
ktrace src 235 C
ktrdump print kernel ktr trace buffer man(8) src 286 C
kyua Testing framework for infrastructure software man(1) src 0
lam laminate files man(1) src 165 C
last indicate last logins of users and ttys man(1) src 415 C
lastcomm show last commands executed man(1) src 379 C, Bash
ld The GNU linker man(1)
ld.lld ELF linker from the LLVM project man(1)
ldd list dynamic object dependencies man(1) src 327 C
ldd32 list dynamic object dependencies man(1) src 0
leave remind you when you have to leave man(1) src 113 C
less opposite of more man(1) src 122 C, Bash
lessecho expand metacharacters man(1) src 0
lesskey specify key bindings for less man(1) src 0
lesspipe.sh
lex++
limits set or display process resource limits man(1) src 574 C, Bash
lldb LLDB Documentation man(1)
lldb-tblgen
llvm-addr2line llvm-addr2line(1) - a drop-in replacement for addr2line man(1)
llvm-ar llvm-ar(1) - LLVM archiver man(1)
llvm-cov
llvm-cxxfilt
llvm-nm llvm-nm(1) - list LLVM bitcode and object file's symbol table man(1)
llvm-objdump llvm-objdump(1) - LLVM object file dumper man(1)
llvm-profdata llvm-profdata(1) - Profile data tool man(1)
llvm-ranlib llvm-ranlib(1) - generates an archive index man(1)
llvm-symbolizer llvm-symbolizer(1) - convert addresses into source code locations man(1)
llvm-tblgen llvm-tblgen, tblgen(1) - Target Description To C++ Code Generator man(1)
locate find filenames quickly man(1) src 859 C, Bash
lock reserve a terminal man(1) src 205 C
lockf execute a command while holding a file lock man(1) src 129 C
login log into the computer man(1) src 780 C
logins display account information man(1) src 278 C
look display lines beginning with a given string man(1) src 185 C
lorder list dependencies for object files man(1) src 30 Bash
lpq
lpr src 8839 C, Bash
lprm
lsvfs list installed virtual file systems man(1) src 68 C
lzcat Compress or decompress .xz and .lzma files man(1)
lzdec
lzegrep grep compressed files man(1)
lzfgrep grep compressed files man(1)
lzgrep grep compressed files man(1)
lzless
lzma Compress or decompress .xz and .lzma files man(1)
lzmainfo show information stored in the .lzma file header man(1) src 0
mail src 5672 C
mailq print the mail queue man(1)
make-roken
makewhatis index UNIX manuals man(8)
mandoc format manual pages man(1) src 0
manpath display search path for manual pages man(1)
mckey RDMA CM multicast setup and simple data transfer test. man(1)
minigzip minimal implementation of the 'gzip' compression tool man(1) src 0
ministat statistics utility man(1) src 535 C
mkcsmapper generates hashed conversion data for iconv 3 man(1) src 10 C
mkdep construct Makefile dependency list man(1) src 88 Bash
mkesdb generates conversion catalog for iconv 3 man(1) src 8 C
mkimg utility to make disk images man(1) src 3249 C, Bash
mkstr create an error message file by massaging C source man(1) src 210 C
mktemp make temporary file name (unique) man(1) src 87 C
mkuzip compress disk image for use with geom_uzip 4 class man(8) src 967 C
morse reformat input as morse code man(6) src 335 C
msgs system messages and junk mail program man(1) src 611 C
mt magnetic tape manipulating program man(1) src 1138 C
nawk pattern-directed scanning and processing language man(1)
nc arbitrary TCP and UDP connections and listens man(1) src 0
ncal displays a calendar and the date of Easter man(1) src 803 C, Bash
netstat show network status and statistics man(1) src 6065 C
newaliases rebuild the data base for the mail aliases file man(1)
newkey create a new key in the publickey database man(8) src 432 C
nex text editors man(1)
nfsstat display NFS statistics man(1) src 835 C
ntpq standard NTP query program man(8)
number convert Arabic numerals to English man(6) src 176 C
nvi text editors man(1) src 26920 C, Awk
nview text editors man(1)
objcopy src 0
openssl
opieinfo Extract sequence number and seed for future OPIE challenges. man(1) src 0
opiekey opiekey, otp-md4, otp-md5, otp-sha1(1) - Programs for computing responses to OTP challenges. man(1) src 0
opiepasswd Change or set a user's password for the OPIE authentication system. man(1) src 0
otp-md4 opiekey, otp-md4, otp-md5, otp-sha1(1) - Programs for computing responses to OTP challenges. man(1)
otp-md5 opiekey, otp-md4, otp-md5, otp-sha1(1) - Programs for computing responses to OTP challenges. man(1)
otp-sha1 opiekey, otp-md4, otp-md5, otp-sha1(1) - Programs for computing responses to OTP challenges. man(1)
pagesize print system page size man(1) src 2 Bash
pargs get detailed process information man(1)
passwd src 96 C
penv get detailed process information man(1)
perror src 29 C
pftp ftp, gate-ftp, pftp(1) - Internet file transfer program man(1)
pgrep find or signal processes by name man(1)
pkill find or signal processes by name man(1) src 1484 Bash, C
pmcstudy Perform various studies on a system's overall PMCs man(8) src 2587 C
pom display the phase of the moon man(6) src 153 C
posixshmcontrol Control POSIX shared memory segments man(1) src 401 C
primes factor a number, generate primes man(6) src 1160 C
printenv print out the environment man(1) src 48 C
proccontrol Control some process execution aspects man(1) src 301 C
procstat get detailed process information man(1) src 2284 C, Bash
protect protect processes from being killed when swap space is exhausted man(1) src 75 C
pwdx get detailed process information man(1)
quota display disk usage and limits man(1) src 485 C
random random lines from a file or random numbers man(6) src 296 C jargon
ranlib generate an index to an archive man(1)
rctl display and update resource limits database man(8) src 452 C
readelf src 0
readlink
ree easy editor man(1)
reset terminal initialization man(1)
resizewin update terminal size man(1) src 88 C
rev reverse lines of a file man(1) src 62 C
revoke revoke a character device man(1) src 20 C
rfcomm_sppd RFCOMM Serial Port Profile daemon man(1)
rgrep file pattern searcher man(1)
rot13 decrypt caesar ciphers man(6) jargon
rpcgen an RPC protocol compiler man(1) src 4076 C
rpcinfo report RPC information man(8) src 1222 C
rping RDMA CM connection and RDMA ping-pong test. man(1)
rs reshape a data array man(1) src 535 C, Bash
rup remote status display man(1) src 150 C
ruptime show host status of local machines man(1) src 223 C
rusers who is logged in to machines on local network man(1) src 164 C
rwall send a message to users logged on a host man(1) src 91 C
rwho who is logged in on local machines man(1) src 168 C
scp secure copy (remote file copy program) man(1)
script make typescript of terminal session man(1) src 402 C
sdiff side-by-side diff man(1) src 898 C, Bash
seq print sequences of numbers man(1) src 318 C, Bash
sftp secure file transfer program man(1)
shar create a shell archive of files man(1) src 33 Bash
showmount show remote nfs mounts on host man(8) src 292 C
size src 0
slc
slogin OpenSSH SSH client (remote login program) man(1)
smbutil interface to the SMB requester man(1) src 0
sockstat list open sockets man(1) src 1148 C
soelim src 165 C, Bash
sscop SSCOP transport protocol man(1)
ssh
ssh-add ssh-add(1) - adds private key identities to the authentication agent man(1)
ssh-agent ssh-agent(1) - authentication agent man(1)
ssh-copy-id ssh-copy-id(1) - copy public keys to a remote host man(1) src 56 Bash
ssh-keygen ssh-keygen(1) - authentication key generation, management and conversion man(1)
ssh-keyscan ssh-keyscan(1) - gather SSH public keys man(1)
stat src 963 C, Bash
stdbuf change standard streams initial buffering man(1) src 64 C
strfile create a random access file for storing strings man(8)
string2key map a password into a key man(8)
su substitute user identity man(1) src 426 C
sum display file checksums and block counts man(1)
svnlite Subversion command line client tool man(1)
svnliteadmin
svnlitebench
svnlitedumpfilter
svnlitefsfs
svnlitelook
svnlitemucc
svnliterdump
svnliteserve
svnlitesync
svnliteversion
systat display system statistics man(1) src 4795 C
tar src 13 Bash
tcopy copy and/or verify mag tapes man(1) src 233 C
telnet user interface to the TELNET protocol man(1) src 0
tftp trivial file transfer program man(1) src 878 C
timeout run a command with a time limit man(1) src 391 C, Bash
tip connect to a remote system man(1) src 3889 C
top display and update information about the top cpu processes man(1) src 3224 C
truncate truncate or extend the length of files man(1) src 359 Bash, C
truss trace system calls man(1) src 3263 C
tset terminal initialization man(1) src 738 C
ucmatose RDMA CM connection and simple ping-pong test. man(1)
udaddy RDMA CM datagram setup and simple ping-pong test. man(1)
ul do underlining man(1) src 424 C
unifdef remove preprocessor conditionals from code man(1) src 1145 C, Bash
unifdefall remove preprocessor conditionals from code man(1)
units conversion calculator man(1) src 643 C, Bash
unlzma Compress or decompress .xz and .lzma files man(1)
unstr create a random access file for storing strings man(8)
unvis revert a visual representation of data back to original form man(1) src 0
unxz Compress or decompress .xz and .lzma files man(1)
unzip extract files from a ZIP archive man(1) src 637 C
unzstd
uptime show how long system has been running man(1) jargon
usbhidaction perform actions according to USB HID controls man(1) src 386 C
usbhidctl manipulate USB HID devices man(1) src 412 C
users list current users man(1) src 32 C++
vacation E-mail auto-responder man(1) src 0
verify_krb5_conf checks krb5.conf for obvious errors man(8)
view text editors man(1)
vis display non-printable characters in a visual format man(1) src 0
vmstat report virtual memory statistics man(8) src 1309 C
vtfontcvt convert font files for use by the video console man(8) src 800 C
w display who is logged in and what they are doing man(1) src 519 C
wall write a message to users man(1) src 295 C jargon
whatis search manual page databases man(1)
whereis locate programs man(1) src 457 C
which locate a program file in the user's path man(1) src 83 C
whoami display effective user id man(1)
whois Internet domain name and network number directory service man(1) src 419 C
xo emit formatted output based on format string and arguments man(1) src 30 Bash
xstr extract strings from C programs to implement shared strings man(1) src 343 C
xz Compress or decompress .xz and .lzma files man(1) src 0
xzcat Compress or decompress .xz and .lzma files man(1)
xzdec Small .xz and .lzma decompressors man(1) src 0
xzdiff compare compressed files man(1)
xzegrep grep compressed files man(1)
xzfgrep grep compressed files man(1)
xzgrep grep compressed files man(1)
xzless
yes be repetitively affirmative man(1) src 40 C
ypcat print the values of all keys in a NIS database man(1) src 78 C
ypchfn add or change user database information man(1)
ypchpass add or change user database information man(1)
ypchsh add or change user database information man(1)
ypmatch print the values of one or more keys in a NIS database man(1) src 77 C
yppasswd modify a user's password man(1)
ypwhich return hostname of NIS server of map master man(1) src 182 C
zcmp compare compressed files man(1)
zdiff compare compressed files man(1)
zegrep grep compressed files man(1)
zfgrep grep compressed files man(1)
zforce force gzip files to have a .gz suffix man(1)
zgrep grep compressed files man(1)
zinject ZFS Fault Injector man(8)
zless view compressed files man(1)
zmore view compressed files man(1)
znew convert compressed files to gzipped files man(1)
zstd src 0
zstdcat
zstdegrep grep compressed files man(1)
zstdfgrep grep compressed files man(1)
zstdgrep print lines matching a pattern in zstandard-compressed files man(1)
zstdless view zstandard-compressed files man(1)
zstdmt
zstream manipulate zfs send streams man(8)
zstreamdump filter data in zfs send stream man(8)
ztest was written by the ZFS Developers as a ZFS unit test. man(1)
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