Su:swith User switch users, switch to root user
Cat:concatenate Series
Uname:unix Name Name System
Df:disk free HDD
Du:disk Usage HDD Usage
Chown:change owner Change Owners
Chgrp:change Group change user groups
Ps:process Status Process state
Tar:tape Archive Extract Files
Chmod:change Mode Change modes
Umount:unmount Uninstall
Ldd:list dynamic dependencies lists dynamically dependent
Insmod:install Module Installation Modules
Rmmod:remove Module Delete Modules
Lsmod:list Module List Modules
Alias:create your own name for a command
Bash:gnu bourne-again Shell Linux kernel
Grep:global Regular Expression Print
Httpd:start Apache
Ipcalc:calculate IP information for a host
Ping:send ICMP echo_request to network hosts
Reboot:restart your computer
Sudo:superuser do
/bin = BINaries
/dev = DEVices
/etc = Etcetera
/lib = LIBrary
/proc = PROCesses
/sbin = Superuser BINaries
/tmp = Temporary
/usr = Unix Shared Resources
/var = VARiable?
FIFO = First in, first out
GRUB = GRand Unified Bootloader
IFS = Internal Field seperators
LILO = LInux LOader
MySQL = My original author's name sql = structured Query Language
php = Personal Home Page Tools = PHP hypertext Preprocessor
PS = Prompt String
Perl = "Pratical Extraction and report Language" = "pathologically eclectic rubbish Lister"
Python Monty python ' s Flying Circus
TCL = Tool Command Language
Tk = ToolKit
VT = Video Terminal
YaST = yet another Setup Tool
Apache = "A patchy" server
Apt = Advanced Packaging Tool
AR = archiver
As = Assembler
bash = Bourne Again SHell
BC = Basic (Better) Calculator
BG = BackGround
Cal = CALendar
Cat = CATenate
cd = Change Directory
CHGRP = Change GRouP
chmod = Change MODe
Chown = Change OWNer
Chsh = Change SHell
CMP = Compare
Cobra = Common Object Request Broker Architecture
Comm = Common
CP = CoPy
Cpio = CoPy in and out
CPP = C Pre Processor
Cups = Common Unix Printing System
CVS = current Version System
Daemon = Disk and execution MONitor
DC = Desk Calculator
DD = Disk Dump
DF = Disk Free
diff = Difference
DMESG = Diagnostic Message
Du = Disk Usage
ed = Editor
Egrep = Extended GREP
Elf = extensible linking Format
Elm = ELectronic Mail
Emacs = Editor MACroS
eval = EVALuate
ex = EXtended
exec = EXECute
FD = file descriptors
FG = ForeGround
Fgrep = Fixed GREP
FMT = Format
fsck = File System ChecK
Fstab = FileSystem TABle
FVWM = f*** Virtual Window Manager
gawk = GNU AWK
GPG = GNU Privacy Guard
Groff = GNU Troff
Hal = Hardware Abstraction Layer
Joe = Joe ' s Own Editor
Ksh = Korn SHell
Lame = lame Ain ' t an MP3 Encoder
Lex = LEXical Analyser
Lisp = LISt processing = Lots of irritating superfluous parentheses
ln = LiNk
LPR = line PRint
ls = List
lsof = LiSt Open Files
M4 = Macro Processor Version 4
Man = MANual pages
Mawk = Mike Brennan s AWK
MC = Midnight Commander
MKFS = Make FileSystem
Mknod = Make NODe
MOTD = Message of the day
Mozilla = MOsaic GodZILLa
mTAB = Mount TABle
MV = MoVe
Nano = Nano ' s another editor
Nawk = New AWK
NL = Number of Lines
NM = names
Nohup = No Hangup
Nroff = New ROFF
od = octal Dump
passwd = PASSWorD
pg = Pager
Pico = PIne ' s Message composition Editor
Pine = "program for Internet News & E-mail" = "Pine is not ELM"
ping = Packet InterNet grouper
Pirntcap = PRINTer CAPability
POPD = POP Directory
PR = Pre
printf = PRINT Formatted
PS = Processes Status
Pty = Pseudo TTY
pushd = PUSH Directory
PWD = Print working Directory
rc = runcom = Run command, Shell
Rev = REVerse
RM = ReMove
RN = Read News
Roff = runoff
RPM = RPM Package Manager = RedHat Package Manager
Rsh, rlogin, = Remote
RXVT = Our XVT
sed = Stream EDitor
Seq = SEQuence
Shar = SHell ARchive
SLRN = S-lang RN
SSH = Secure SHell
SSL = Secure Sockets Layer
Stty = Set TTY
Su = Substitute User
SVN = SubVersioN
tar = Tape ARchive
tcsh = Tenex C Shell
telnet = teminal over Network
Termcap = terminal capability
Terminfo = Terminal information
TR = traslate
Troff = typesetter New ROFF
Tsort = Topological SORT
TTY = Teletypewriter
TWM = Tom ' s Window Manager
TZ = TimeZone
Udev = Userspace DEV
Ulimit = User ' s LIMIT
Umask = User ' s MASK
Uniq = UNIQue
VI = VIsual = Very Inconvenient
VIM = Vi Improved
Wall = Write All
WC = Word Count
Wine = Wine isn't an Emulator
Xargs = eXtended ARGuments
XDm = X Display Manager
XLFD = X Logical Font Description
XMMS = X Multimedia System
Xrdb = X Resources DataBase
XWD = X Window Dump
YACC = yet another compiler compiler
Linux command English full name