bash commands

Just about all the commands available with my 10.4 Mac’s bash.
(The ones with “—” seem to be from the BSD manual.)

a2p – Awk to Perl translator
ab – Apache HTTP server benchmarking tool
ac — display connect time accounting
accept/reject – accept/reject jobs sent to a destination
accton — enable/disable system accounting
acid – TT6E instruction trace analyzer; version 2.7
aclocal – manual page for aclocal 1.12.2
addftinfo – add information to troff font files for use with groff
afmtodit – create font files for use with groff -Tps
amber — creates TT6, TT6E and FULL instruction traces
amlint — check Automator actions for problems
ant – a Java based make tool.
apachectl – Apache HTTP server control interface
AppleFileServer — Apple File Protocol server.
appleping – exercises the AppleTalk network by sending packets to a named host
appletalk – enables you to configure and display AppleTalk network interfaces
appletviewer – Java applet viewer
apply — apply a command to a set of arguments
apropos – search the whatis database for strings
apxs – APache eXtenSion tool
ar — create and maintain library archives
arch — print architecture type
arp — address resolution display and control
as – Mac OS X Mach-O GNU-based assemblers
asa — interpret carriage-control characters.
asr — Apple Software Restore; copy volumes (e.g. from disk images)
at_cho_prn – allows you to choose a default printer on the AppleTalk internet
at, batch, atq, atrm — queue, examine, or delete jobs for later execution
atlookup – looks up network-visible entities (NVEs) registered on the AppleTalk network system
atos – tool to convert numeric addresses to symbols of binary images or processes
atprint – transfer data to a printer using AppleTalk protocols
atstatus – displays status information from an AppleTalk device
autoconf – Generate configuration scripts
autodiskmount — disk support tool
autoheader – Create a template header for configure
autom4te – Generate files and scripts thanks to M4
automake – manual page for automake 1.12.2
automator — runs an Automator workflow
automount — automatic server mount / unmount daemon
autoreconf – Update generated configuration files
autoscan – Generate a preliminary
autoupdate – Update a to a newer Autoconf
awk – pattern-directed scanning and processing language
banner — print large banner on printer
basename, dirname — return filename or directory portion of pathname
bash – GNU Bourne-Again SHell
bashbug – report a bug in bash
bc – An arbitrary precision calculator language
biff — be notified if mail arrives and who it is from
bind — bind a name to a socket
bison – GNU Project parser generator (yacc replacement)
bless — set volume bootability and startup disk options
blued — The Mac OS X bluetooth daemon.
bootparamd — boot parameter server
bpwhoami — print the output of a bootparams whoami call
brew – The missing package manager for OS X
bsdmake — maintain program dependencies
bspatch — apply a patch built with bsdiff(1)
bzcat – decompresses files to stdout
bzip2, bunzip2 – a block-sorting file compressor, v1.0.4
bzmore, bzless – file perusal filter for crt viewing of bzip2 compressed text
c++filt – Demangle C++ and Java symbols.
c2ph, pstruct – Dump C structures as generated from “cc -g -S” stabs
c89 — standard C language compiler
c99 — standard C language compiler
cal — displays a calendar
calendar — reminder service
cancel – cancel jobs
cap_mkdb — create capability database
captoinfo – convert a termcap description into a terminfo description
cat — concatenate and print files
certtool – create key pairs, certificates and certificate signing requests for use with Keychains
chat – Automated conversational script with a modem
checkgid — validate group identifiers
checknr — check nroff/troff files
chflags — change file flags
chgrp — change group
chmod — change file modes or Access Control Lists
chown — change file owner and group
chpass, chfn, chsh, — add or change user database information
chroot — change root directory
chudRemoteCtrl – start or stop the collection of performance monitor data in a performance monitor remote server application.
chumAddRights, — Adds defaults authorization rights used by chum.
ci – check in RCS revisions
cksum, sum — display file checksums and block counts
clear – clear the terminal screen
clri — clear an inode
cmp – compare two files byte by byte
cmpdylib – compare two dynamic shared libraries for compatibility
co – check out RCS revisions
col — filter reverse line feeds from input
colcrt — filter nroff output for CRT previewing
colldef — convert collation sequence source definition
colrm — remove columns from a file
column — columnate lists
comm — select or reject lines common to two files
compile_et – tool for generating com_err error tables
compileHelp — command-line utility to merge contextual help rtf snippets into one resource
compress, uncompress — compress and expand data
config – OpenSSL CONF library configuration files
configd — System Configuration Daemon
coreaudiod – a mach_init.d daemon used for CoreAudio related purposes. This daemon hosts the SystemSoundServer and is used as the Master process for HAL device management.
corelist – a commandline frontend to Module::CoreList
cp — copy files
cpan – easily interact with CPAN from the command line
cpio — copy file archives in and out
cpp – The C Preprocessor
createhomedir — create and populate home directories on the local computer.
crlrefresh – update and maintain system-wide CRL cache
cron — daemon to execute scheduled commands (Vixie Cron)
crontab — maintain crontab files for individual users (V3)
cscope – interactively examine a C program
csplit — split files based on context
ctags — create a tags file
cups-calibrate – ESP CUPS Printer Calibration Tool
cups-config – get cups api, compiler, directory, and link information.
cupsaddsmb – export printers to samba for windows clients
cupsd – common unix printing system daemon
cupstestppd – test conformance of ppd files
curl – transfer a URL
curl-config – Get information about a libcurl installation
cut — select portions of each line of a file
cvs – Concurrent Versions System
cvsbug – send problem report (PR) about CVS to a central support site
date — display or set date and time
dbmmanage – Create and update user authentication files in DBM format
dc – an arbitrary precision calculator
dd — convert and copy a file
defaults — access the Mac OS X user defaults system
desdp — scripting definition generator
dev_mkdb — create /dev database
df — display free disk space
diagnostics, splain – produce verbose warning diagnostics
diff – compare files line by line
diff3 – compare three files line by line
diffpp – pretty-print diff outputs with GNU enscript
diffstat – make histogram from diff-output
dig – DNS lookup utility
DirectoryService — DirectoryService daemon (a part of Mac OS X’s Open Directory architecture)
dirt — A Directory Tool for testing Directory Services
disable, enable – stop/start printers and classes
diskarbitrationd — disk arbitration daemon
disklabel — manipulate and query an Apple Label disk label
disktool — disk support tool
diskutil — Modify, verify and repair local disks.
distcc – distributed C/C++/ObjC compiler
distccd – distributed C/C++ compiler server
distccmon-text – Displays current compilation jobs in text form.
distnoted — distributed notification server
ditto — copy files and directories to a destination directory
dmesg — display the system message buffer
dns-sd — Multicast DNS (mDNS) & DNS Service Discovery (DNS-SD) Test Tool
dnsextd — BIND Extension Daemon
dnssec-keygen – DNSSEC key generation tool
dnssec-makekeyset – DNSSEC zone signing tool
dnssec-signkey – DNSSEC key set signing tool
dnssec-signzone – DNSSEC zone signing tool
domainname — set or print the name of the current NIS domain
dprofpp – display perl profile data
drutil — interact with CD/DVD burners
dscl — Directory Service command line utility
dsconfigad — retrieves/changes configuration for Directory Services Active Directory Plugin.
dsconfigldap — LDAP server config/binding add/remove tool.
dseditgroup — group record manipulation tool.
dsenableroot — enables or disables the root account.
dsperfmonitor — A Directory Tool for monitoring plugin performance in Directory Services
dsymutil — manipulate archived DWARF debug symbol files.
du — display disk usage statistics
dump — filesystem backup
dumpfs — dump file system information
dwarfdump — dump DWARF debug information.
dynamic_pager — dynamic pager external storage manager
echo — write arguments to the standard output
ed – text editor
edit – (TextWrangler) Whip some ASCII.
edquota — edit user quotas
efax – send/receive faxes with Class 1, 2 or 2.0 fax modem
efix – convert between fax, text, bit-map and gray-scale formats
emacs – GNU project Emacs
enc2xs — Perl Encode Module Generator
encguess – guess character encodings of files
enscript – convert text files to PostScript, HTML, RTF, ANSI, and overstrikes
env — set and print environment
eqn – format equations for troff
eqn2graph – convert an EQN equation into a cropped image
error — analyze and disperse compiler error messages
escputil – maintain Epson Stylus inkjet printers
etags, ctags – generate tag file for Emacs, vi
expand, unexpand — expand tabs to spaces, and vice versa
expect – programmed dialogue with interactive programs, Version 5
expr — evaluate expression
extcheck – jar conflict detection utility
false — Return false value.
fax – make, send, receive, view or print a fax
fdisk — DOS partition maintenance program
fetchmail – fetch mail from a POP, IMAP, ETRN, or ODMR-capable server
fibreconfig — Tool for configuring settings for Fibre Channel controllers and targets.
file – determine file type
find — walk a file hierarchy
find2perl – translate find command lines to Perl code
findsmb – list info about machines that respond to SMB name queries on a subnet
finger — user information lookup program
flex – fast lexical analyzer generator
fmt — simple text formatter
fold — fold long lines for finite width output device
formail – mail (re)formatter
from — print names of those who have sent mail
fs_usage — report system calls and page faults related to filesystem activity in real-time
fsck — filesystem consistency check and interactive repair
fsck_hfs — HFS file system consistency check
fsck_msdos — DOS/Windows (FAT) file system consistency check
ftp — Internet file transfer program
full2tt6e — convert amber .full to .tt6e trace format
fulldump — display the contents of an amber .full trace
funzip – filter for extracting from a ZIP archive in a pipe
gatherheaderdoc — header documentation processor
gcc – GNU project C and C++ compiler
gcc_select — Switch the default system compiler
gcov – coverage testing tool
gdb – The GNU Debugger
gencat — NLS catalog compiler
genstrings — generate string table from source code
getconf — retrieve standard configuration variables
getopt — parse command options
glibtool — generic library support script
gnuserv, gnuclient – Server and Clients for Emacs
gperf – generate a perfect hash function from a key set
gprof – display call graph profile data
gpt — GUID partition table maintenance utility
grap2graph – convert a grap diagram into a cropped bitmap image
grep, egrep, fgrep – print lines matching a pattern
grn – groff preprocessor for gremlin files
grodvi – convert groff output to TeX dvi format
groff – front-end for the groff document formatting system
groffer – display groff files and man pages on X and tty
grog – guess options for groff command
grohtml – html driver for groff
grolbp – groff driver for Canon CAPSL printers (LBP-4 and LBP-8 series laser printers).
grolj4 – groff driver for HP Laserjet 4 family
grops – PostScript driver for groff
grotty – groff driver for typewriter-like devices
groups — show group memberships
gzexe – compress executable files in place
gzip, gunzip, zcat – compress or expand files
h2ph – convert .h C header files to .ph Perl header files
h2xs – convert .h C header files to Perl extensions
hdid – HDI driver backing store service
hdik — lightweight in-kernel disk image mounting tool.
hdiutil — manipulate disk images (attach, verify, burn, etc)
hdxml2manxml — HeaderDoc XML to MPGL translator
head — display first lines of a file
headerdoc2html — header documentation processor
heap — List all the malloc-allocated buffers in the process’s heap
hexdump, hd — ASCII, decimal, hexadecimal, octal dump
host – DNS lookup utility
hostinfo — host information
hostname — set or print name of current host system
hpftodit – create font description files for use with groff -Tlj4
htdigest – Create and update user authentication files
htpasswd – Create and update user authentication files
httpd – Apache hypertext transfer protocol server
hwprefs — inspect and control low-level system and processor parameters
iconv – character set conversion
id — return user identity
ident – identify RCS keyword strings in files
idlj – IDL-to-Java compiler
ifconfig — configure network interface parameters
ifnames – Extract CPP conditionals from a set of files
indent — indent and format C program source
indxbib – make inverted index for bibliographic databases
info – read Info documents
infocmp – compare or print out terminfo descriptions
infokey – compile customizations for Info
infotocap – convert a terminfo description into a termcap description
install — install binaries
install_name_tool – change dynamic shared library install names
install-info – update info/dir entries
installer — system software and package installer tool.
instmodsh – A shell to examine installed modules
ioalloccount — Summarize IOKit memory usage.
iodbc-config – script to get information about the installed version of iODBC
iodbctest, iodbctestw – iODBC Demonstration programs
ioreg — show I/O Kit registry
iostat — report I/O statistics
ip6 — Enable or disable IPv6 on active interfaces
ip6config — Configure IPv6 and 6to4 IPv6 tunnelling
ip6fw — controlling utility for IPv6 firewall
ipconfig — view and control IP configuration state
ipcrm — remove the specified message queues, semaphore sets, and shared memory segments
ipcs — report System V interprocess communication facilities status
ipfw — IP firewall and traffic shaper control program
jar – Java archive tool
jarsigner – JAR signing and verification tool
java – Java interpreter
javac – Java compiler
javaconfig — get Java configuration information
javadoc – Java API documentation generator
javah – C header and stub file generator
javap – Java class file disassembler
javatool — tool used in building older Java software projects
javaws – Java Web Start command launcher
jdb – Java debugger
jikes – java source to bytecode compiler
join — relational database operator
jot — print sequential or random data
json_pp – JSON::PP command utility
kadmin – Kerberos V5 database administration program
kadmind – KADM5 administration server
kdb5_util – Kerberos database maintainance utility
kdestroy – destroy Kerberos tickets
kdump — display kernel trace data
kerberosautoconfig — Kerberos — Open Directory Single Sign On
kextcache — creates or updates kext caches
kextload — loads, validates, and generates symbols for a kernel extension (kext)
kextstat — display status of dynamically loaded kernel extensions
kextunload — terminates and unloads kernel extensions
keytool – key and certificate management tool
kgmon — generate a dump of the operating system’s profile buffers
kill — terminate or signal a process
killall — kill processes by name
kinit – obtain and cache Kerberos ticket-granting ticket
klist – list cached Kerberos tickets
kpasswd – change a user’s Kerberos password
kprop – propagate a Kerberos V5 principal database to a slave server
kpropd – Kerberos V5 slave KDC update server
krb5-config – tool for linking against MIT Kerberos libraries
krb524d – Version 5 to Version 4 Credentials Conversion Daemon
krb5kdc – Kerberos V5 KDC
ksh, rksh, pfksh – KornShell, a standard/restricted command and programming language
kswitch – set the Kerberos system default credentials cache
ktrace — enable kernel process tracing
ktutil – Kerberos keytab file maintenance utility
kvno – print key version numbers of Kerberos principals
lam — laminate files
languagesetup — set the primary language. (3622974 – more to come)
last — indicate last logins of users and ttys
lastcomm — show last commands executed in reverse order
latency — monitors scheduling and interrupt latency
launchctl — Interfaces with launchd
launchd — System wide and per-user daemon/agent manager
launchd_debugd — Simple HTTP server to display job data
ld – Mach object file link editor
ldapcompare – LDAP compare tool
ldapdelete – LDAP delete entry tool
ldapmodify, ldapadd – LDAP modify entry and LDAP add entry tools
ldapmodrdn – LDAP rename entry tool
ldappasswd – change the password of an LDAP entry
ldapsearch – LDAP search tool
ldapwhoami – LDAP who am i? tool
leaks — Search a process’s memory for unreferenced malloc buffers
leave — remind you when you have to leave
less – opposite of more
lessecho – expand metacharacters, such as * and ?, in filenames on Unix systems.
lesskey – specify key bindings for less
libnetcfg – configure libnet
libtool – create libraries
lipo – create or operate on universal files
lkbib – search bibliographic databases
ln, link — make links
local – Postfix local mail delivery
locale — display locale settings
localedef — define locale environment
locate — find filenames quickly
lock — reserve a terminal
lockfile – conditional semaphore-file creator
logger — make entries in the system log
login — log into the computer
logname — display user’s login name
logresolve – resolve hostnames for IP-adresses in Apache logfiles
look — display lines beginning with a given string
lookbib – search bibliographic databases
lookupd — directory information and cache daemon
lorder — list dependencies for object files
lp – print files
lpadmin – configure cups printers and classes
lpc – line printer control program
lpinfo – show available devices or drivers
lpmove – move a job to a new destination
lpoptions – display or set printer options and defaults
lppasswd – add, change, or delete digest passwords.
lpq – show printer queue status
lpr – print files
lprm – cancel print jobs
lpstat – print cups status information
ls — list directory contents
lsbom — list contents of a bom file
lsof – list open files
lsvfs — list known virtual file systems
lwresd – lightweight resolver daemon
m4 – macro processor
machine — print machine type
mail, mailx — send and receive mail
mailstat – shows mail-arrival statistics
make – GNU make utility to maintain groups of programs
makedbm — create a YP database
makeinfo – translate Texinfo documents
malloc_history — Show the malloc allocations that the process has performed
man – format and display the on-line manual pages
md — process raw dependency files produced by cpp -MD
md5 — calculate a message-digest fingerprint (checksum) for a file
mdcheckschema — simple mdimporter schema validation tool
mdfind — finds files matching a given query
mdimport — import file hierarchies into the metadata datastore.
mdls — lists the metadata attributes for the specified file
mDNS — Multicast DNS (mDNS) & DNS Service Discovery (DNS-SD) Test Tool
mDNSResponder — Multicast DNS daemon
mdutil — manage the metadata stores used by Spotlight
megaraid — Command Line Utility for MegaRAID management.
memberd — group membership resolution daemon
merge – three-way file merge
mesg — display (do not display) messages from other users
mib2c — generate template code for extending the agent
mkafmmap – creates font map for AFM files
mkbom — create a bill-of-materials file
mkdep — construct Makefile dependency list
mkdir — make directories
mkextunpack — extracts the contents of a multikext (mkext) archive
mkfifo — make fifos
mkfile – create a file
mklocale — make LC_CTYPE locale files
mknod — make device special file
mkslapdconf – generate a configuration file for the LDAP server
mktemp — make temporary file name (unique)
mmroff – reference preprocessor
mnthome — mount an AFP (AppleShare) home directory with the correct privileges
mount — mount file systems
mountd — service remote NFS mount requests
msgs — system messages and junk mail program
mtree — map a directory hierarchy
mv — move files
mvn – Maven – a Java based project management and comprehension tool.
named – Internet domain name server
named-checkconf – named configuration file syntax checking tool
named-checkzone – zone file validity checking tool
nano – Nano’s ANOther editor, an enhanced free Pico clone
nasm – the Netwide Assembler, a portable 80×86 assembler
natd — Network Address Translation daemon
native2ascii – native to ASCII converter
nbdst — NetBoot deferred shadow tool
nc (netcat) — use network sockets from the command line
ndisasm – the Netwide Disassembler, an 80×86 binary file disassembler
ndp — control/diagnose IPv6 neighbor discovery protocol
neqn – format equations for ascii output
net – Tool for administration of Samba and remote CIFS servers.
netinfod – NetInfo daemon
netstat — show network status
newfs — construct a new file system
newfs_hfs — construct a new HFS Plus file system
newfs_msdos — construct a new MS-DOS (FAT) file system
nfsd — remote NFS server
nfsiod — local NFS asynchronous I/O server
nfsstat — display NFS statistics
nibindd – NetInfo binder
nibtool – prints, verifies, and updates nib files.
nice — execute a utility with an altered scheduling priority
nicl — NetInfo command line utility
nidomain – NetInfo domain utility
nidump – extract text or flat-file-format data from NetInfo
nifind – find a directory in the NetInfo hierarchy
nigrep – search for a regular expression in the NetInfo hierarchy
niload – load text or flat-file-format data into NetInfo
nireport – print tables from the NetInfo hierarchy
niutil – NetInfo utility
nl — line numbering filter
nm – display name list (symbol table)
nmbd – NetBIOS name server to provide NetBIOS over IP naming services to clients
nmblookup – NetBIOS over TCP/IP client used to lookup NetBIOS names
nmedit – change global symbols to local symbols
nohup — invoke a command immune to hangups
nologin — politely refuse a login
notifyd — notification server
nroff – emulate nroff command with groff
nslookup – query Internet name servers interactively
nsupdate – Dynamic DNS update utility
ntlm_auth – tool to allow external access to Winbind’s NTLM authentication function
ntpd — Network Time Protocol (NTP) daemon
ntpdate — set the date and time via NTP
ntpdc — special NTP query program
ntpq — standard NTP query program
ntptrace — trace a chain of NTP servers back to the primary source
nvram – manipulate firmware NVRAM variables
ocs – creates and maintains the database for cscope on a recursive directory set
ocvs – Concurrent Versions System
od — octal, decimal, hex, ASCII dump
open — open files and directories
open-x11 — run X11 programs
opendiff — Use FileMerge to graphically compare or merge file or directories
openssl – OpenSSL command line tool
openssl_fips_fingerprint – OpenSSL FIPS Fingerprint tool
orbd – Object Request Broker Daemon
osacompile — compile AppleScripts and other OSA language scripts
osalang — information about installed OSA languages
osascript — execute AppleScripts and other OSA language scripts
otool – object file displaying tool
over – pretty print and scroll source code on terminal
pagesize — print system page size
pagestuff – Mach-O file page analysis tool
passwd — modify a user’s password
paste — merge corresponding or subsequent lines of files
patch – apply a diff file to an original
pathchk — check pathnames
pax — read and write file archives and copy directory hierarchies
pbcopy, pbpaste – provide copying and pasting to the pasteboard (the Clipboard) from command line
pcscd – PC/SC Smartcard Daemon
pdbedit – manage the SAM database (Database of Samba Users)
pdisk — Apple partition table editor
periodic — run periodic system functions
perl – The Perl 5 language interpreter
perlbug – how to submit bug reports on Perl
perlcc – generate executables from Perl programs
perldoc – Look up Perl documentation in Pod format.
perlivp – Perl Installation Verification Procedure
pfbtops – translate a PostScript font in .pfb format to ASCII
php – PHP Command Line Interface ‘CLI’
php-config – get information about PHP configuration
phpize – prepare a PHP extension for compiling
pic – compile pictures for troff or TeX
pic2graph – convert a PIC diagram into a cropped image
piconv — iconv(1), reinvented in perl
ping — send ICMP ECHO_REQUEST packets to network hosts
ping6 — send ICMPv6 ECHO_REQUEST packets to network hosts
pl — converts between ASCII and binary plist formats
pl2pm – Rough tool to translate Perl4 .pl files to Perl5 .pm modules.
plutil — property list utility
pmap_dump — print a list of all registered RPC programs
pmap_set — set the list of registered RPC programs
pmset — manipulate power management settings
pod2html – convert .pod files to .html files
pod2latex – convert pod documentation to latex format
pod2man – Convert POD data to formatted *roff input
pod2text – Convert POD data to formatted ASCII text
pod2usage – print usage messages from embedded pod docs in files
podchecker – check the syntax of POD format documentation files
podselect – print selected sections of pod documentation on standard output
policytool – policy file creation and management tool
portmap — RPC program,version to DARPA port mapper
postalias – Postfix alias database maintenance
postcat – show Postfix queue file contents
postconf – Postfix configuration utility
postdrop – Postfix mail posting utility
postfix – Postfix control program
postkick – kick a Postfix service
postlock – lock mail folder and execute command
postlog – Postfix-compatible logging utility
postmap – Postfix lookup table management
postqueue – Postfix queue control
postsuper – Postfix superintendent
pppd – Point-to-Point Protocol Daemon
pr — print files
printenv — print out the environment
printf — formatted output
procmail – autonomous mail processor
profiles – A utility to report and change SIDs in registry files
projectInfo — identify build tool for software development project
prove – Run tests through a TAP harness.
ps — process status
psed – a stream editor
pstopdf — convert PostScript input into a PDF document.
ptar – a tar-like program written in perl
ptardiff – program that diffs an extracted archive against an unextracted one
ptargrep – Apply pattern matching to the contents of files in a tar archive
purge — force disk cache to be purged (flushed and emptied)
pwd — return working directory name
pwd_mkdb — generate the password databases
pwpolicy — gets and sets password policies
pydoc — the Python documentation tool
python – an interpreted, interactive, object-oriented programming language
pythonw — run python script with GUI
quot — display total block usage per user for a file system
quota — display disk usage and limits
quotacheck — filesystem quota consistency checker
quotaon, quotaoff — turn filesystem quotas on and off
racoon — IKE (ISAKMP/Oakley) key management daemon
ranlib – add or update the table of contents of archive libraries
rarpd — Reverse ARP Daemon
rcp — remote file copy
rcs – change RCS file attributes
rcs2log — RCS to ChangeLog generator
rcsclean – clean up working files
rcsdiff – compare RCS revisions
rcsmerge – merge RCS revisions
rebase — Changes base address of dylibs and bundles
reboot, halt — stopping and restarting the system
redo_prebinding – redo the prebinding of an executable or dynamic library
refer – preprocess bibliographic references for groff
reggie_se — read and modify hardware registers
renice — alter priority of running processes
repquota — summarize quotas for a file system
restore — restore files or file systems from backups made with dump
rev — reverse lines of a file
revnetgroup — generate reverse netgroup data
rlog – print log messages and other information about RCS files
rlogin — remote login
rm, unlink — remove directory entries
rmdir — remove directories
rmic – Java RMI stub compiler
rmid – RMI activation system daemon
rmiregistry – Java remote object registry
rmt — remote magtape protocol module
rndc – name server control utility
rndc-confgen – rndc key generation tool
rotatelogs – rotate Apache logs without having to kill the server
route — manually manipulate the routing tables
routed — network RIP and router discovery routing daemon
rpc.lockd — NFS file locking daemon
rpc.statd — host status monitoring daemon
rpcclient – tool for executing client side MS-RPC functions
rpcgen — Remote Procedure Call (RPC) protocol compiler
rpcinfo — report RPC information
rs – reshape a data array
rsh — remote shell
rsync – faster, flexible replacement for rcp
rtadvd — router advertisement daemon
rtsold — router solicitation daemon
ruby — Interpreted object-oriented scripting language
ruptime — show host status of local machines
rwho — who is logged in on local machines
rwhod — system status server
sa — print system accounting statistics
sample — Profile a process during a time interval
sar — system activity reporter
say – Convert text to audible speech
sc_usage — show system call usage statistics
scp — secure copy (remote file copy program)
screen – screen manager with VT100/ANSI terminal emulation
screencapture — capture and manipulate clipboard contents
screenreaderd — VoiceOver daemon
script — make typescript of terminal session
scrollpv — graphical scroll pipe viewer of simg5 simulator output
scselect — Select system configuration “location”
scutil — Manage system configuration parameters
sdiff – side-by-side merge of file differences
sdp — scripting definition processor
security — Command line interface to keychains and Security.framework
securityd — Security context daemon for Authorization and cryptographic operations
sed — stream editor
segedit – extract and replace sections from object files
select — synchronous I/O multiplexing
sendmail – Postfix to Sendmail compatibility interface
serialver – serial version command
servertool – Java IDL Server Tool
setkey — manually manipulate the IPsec SA/SP database
sftp — secure file transfer program
shar — create a shell archive of files
shark — creates *.mshark profiles of system or process behavior for viewing with
shasum – Print or Check SHA Checksums
shlock — create or verify a lock file for shell scripts
showmount — show remote nfs mounts on host
shutdown — close down the system at a given time
simg4 — Motorola PowerPC 7400/7410 cycle-accurate simulator
simg5 — IBM PowerPC 970/970FX cycle-accurate simulator
sips — scriptable image processing system.
size – print the size of the sections in an object file
slapadd – Add entries to a SLAPD database
slapcat – SLAPD database to LDIF utility
slapdn – Check a list of string-represented DNs based on schema syntax.
slapindex – SLAPD index to LDIF utility
slappasswd – OpenLDAP password utility
slaptest – Check the suitability of the slapd.conf file.
slattach — attach serial lines as network interfaces
sleep — suspend execution for an interval of time
sliceprint – slice documents with long lines.
slp_reg — a tool to register URLs
slpd — slp daemon (service location protocol) that advertises local services to the network
smbcacls – Set or get ACLs on an NT file or directory names
smbclient – ftp-like client to access SMB/CIFS resources on servers
smbcontrol – send messages to smbd, nmbd or winbindd processes
smbcquotas – Set or get QUOTAs of NTFS 5 shares
smbd – server to provide SMB/CIFS services to clients
smbget – wget-like utility for download files over SMB
smbpasswd – change a user’s SMB password
smbspool – send a print file to an SMB printer
smbstatus – report on current Samba connections
smbtar – shell script for backing up SMB/CIFS shares directly to UNIX tape drives
smbtree – A text based smb network browser
smbutil — interface to the SMB requester
snmpbulkget – communicates with a network entity using SNMP GETBULK requests.
snmpbulkwalk – retrieve a subtree of management values using SNMP GETBULK requests
snmpconf – creates and modifies SNMP configuration files
snmpd – daemon to respond to SNMP request packets.
snmpdelta – Monitor delta differences in SNMP Counter values
snmpdf – display disk space usage on a network entity via SNMP
snmpget – communicates with a network entity using SNMP GET requests
snmpgetnext – communicates with a network entity using SNMP GETNEXT requests
snmpnetstat – display networking status and configuration information from a network entity via SNMP
snmpset – communicates with a network entity using SNMP SET requests
snmpstatus – retrieves a fixed set of management information from a network entity
snmptable – retrieve an SNMP table and display it in tabular form
snmptest – communicates with a network entity using SNMP requests
snmptranslate – translate MIB OID names between numeric and textual forms
snmptrap, snmpinform – sends an SNMP notification to a manager
snmptrapd – Receive and log SNMP trap messages.
snmpusm – creates and maintains SNMPv3 users on a network entity
snmpvacm – creates and maintains SNMPv3 View-based Access Control entries on a network entity
snmpwalk – retrieve a subtree of management values using SNMP GETNEXT requests
soelim – interpret .so requests in groff input
softwareupdate — system software update tool
sort – sort lines of text files
split — split a file into pieces
spray — send many packets to host
sqlite3 – A command line interface for SQLite version 3
srm – securely remove files or directories
ssh — OpenSSH SSH client (remote login program)
ssh-add — adds RSA or DSA identities to the authentication agent
ssh-agent — authentication agent
ssh-keygen — authentication key generation, management and conversion
ssh-keyscan — gather ssh public keys
sshd — OpenSSH SSH daemon
stat, readlink — display file status
states – awk alike text processing tool
stdethers — a YP filter program
stdhosts — a YP filter program
strings – find the printable strings in a object, or other binary, file
strip – remove symbols
stty — set the options for a terminal device interface
su — substitute user identity
sudo – execute a command as another user
sw_vers — print Mac OS X operating system version information
swat – Samba Web Administration Tool
sync — force completion of pending disk writes (flush cache)
sysctl — get or set kernel state
syslog — Apple System Log utility
syslogd — Apple System Log server
system_profiler — reports system hardware and software configuration.
SystemStarter — Start, stop, and restart system services
tabs — set terminal tabs
tack – terminfo action checker
tail — display the last part of a file
talk — talk to another user
tar — tape archiver; manipulate “tar” archive files
tbl – format tables for troff
tcopy — copy and/or verify mag tapes
tcpdchk – tcp wrapper configuration checker
tcpdmatch – tcp wrapper oracle
tcpdump – dump traffic on a network
tcsh – C shell with file name completion and command line editing
tdbbackup – tool for backing up and for validating the integrity of samba .tdb files
tdbdump – tool for printing the contents of a TDB file
tdbtool — This line parsed for whatis database.
tee — pipe fitting
telnet — user interface to the TELNET protocol
testparm – check an smb.conf configuration file for internal correctness
testprns – check printer name for validity with smbd
texi2dvi – print Texinfo documents
texi2html – a Texinfo to HTML converter
texindex – sort Texinfo index files
textutil — text utility
tfmtodit – create font files for use with groff -Tdvi
tftp — trivial file transfer program
tic – the terminfo entry-description compiler
tidy – validate, correct, and pretty-print HTML files
tiff2icns — converts TIFF to icns format
tiffutil – manipulates tiff files
tim — authetication server
time — time command execution
timed — time server daemon
timedc — timed control program
times — process times
timutil — authetication server utility
tnameserv – Java IDL name server starter script
toe – table of (terminfo) entries
top – display and update sorted information about processes
tops – perform in-place substitutions on code.
touch — change file access and modification times
tput, reset – initialize a terminal or query terminfo database
tr — translate characters
traceroute — print the route packets take to network host
traceroute6 — print the route IPv6 packets will take to the destination
troff – the troff processor of the groff text formatting system
trpt — transliterate protocol trace
true — Return true value.
tset, reset – terminal initialization
tsort — topological sort of a directed graph
tty — return user’s terminal name
tunefs — tune up an existing file system
twdiff – find file differences with TextWrangler.
twfind – OMG PNOIES
ul — do underlining
umount — unmount filesystems
uname — Print operating system name
unifdef — remove ifdef’ed lines
uniq — report or filter out repeated lines in a file
units — conversion program
unvis — revert a visual representation of data back to original form
unzip – list, test and extract compressed files in a ZIP archive
unzipsfx – self-extracting stub for prepending to ZIP archives
update — flush internal filesystem caches to disk frequently
update_prebinding — Update prebinding information when new system libraries or frameworks are installed
uptime — show how long system has been running
users — list current users
uuencode, uudecode — encode/decode a binary file
uuidgen — command-line utility to generate a new UUID value
verify – Utility to verify certificates.
vers_string – produce version identification string
vgrind — grind nice listings of programs
vim – Vi IMproved, a programmers text editor
vimdiff – edit two or three versions of a file with Vim and show differences
vimtutor – the Vim tutor
vipw — edit the password file
vis — display non-printable characters in a visual format
visudo – edit the sudoers file
vm_stat — show Mach virtual memory statistics
vmmap — Display the virtual memory regions allocated in a process
vpnd — Mac OS X VPN service daemon
w — display who is logged in and what they are doing
wait4path — wait for given path to show up in the namespace
wall — write a message to users
wbinfo – Query information from winbind daemon
wc — word, line, character, and byte count
Wget – The non-interactive network downloader.
what — show what versions of object modules were used to construct a file
whatis – search the whatis database for complete words.
whereis — locate programs
which — locate a program file in the user’s path
who — display who is on the system
whoami — display effective user id
whois — Internet domain name and network number directory service
winbindd – Name Service Switch daemon for resolving names from NT servers
write — send a message to another user
xargs — construct argument list(s) and execute utility
xcodebuild — build Xcode projects
xcodeindex — indexes Xcode projects
xgrid — submit and monitor xgrid jobs
xgridctl — Xgrid daemons control interface
xinetd – the extended Internet services daemon
xml-config – script to get information about the installed version of GNOME-XML
xml2man — MPGL to mdoc (man page) translator
xmlcatalog – Command line tool to parse and manipulate XML or SGML catalog files.
xmllint – command line XML tool
xsltproc – command line xslt processor
xsubpp – compiler to convert Perl XS code into C code
xxd – make a hexdump or do the reverse.
yacc – GNU Project parser generator
yes — be repetitively affirmative
zcmp, zdiff – compare compressed files
zdump — timezone dumper
zforce – force a ‘.gz’ extension on all gzip files
zgrep – search possibly compressed files for a regular expression
zic — timezone compiler
zip, zipcloak, zipnote, zipsplit – package and compress (archive) files
zipdetails – display the internal structure of zip files
zipgrep – search files in a ZIP archive for lines matching a pattern
zipinfo – list detailed information about a ZIP archive
zless – file perusal filter for crt viewing of compressed text
zmore – file perusal filter for crt viewing of compressed text
znew – recompress .Z files to .gz files
zprint – show information about kernel zones
zsh – the Z shell