linux部分命令的全称

apt = Advanced Packaging Tool 
ar = archiver 
as = assembler 
awk = "Aho Weiberger and Kernighan" 三个作者的姓的第一个字母 
bash = Bourne Again SHell 
bc = Basic (Better) Calculator 
bg = BackGround 
bin = BINaries（binary) 
cal = CALendar 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 
cron = Chronos 希腊文时间 
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/dev = devices 
fd = file descriptors 
fg = ForeGround 
fgrep = Fixed GREP 
Fish = the Friendly Interactive SHell 
fmt = format 
fsck = File System ChecK 
fstab = FileSystem TABle 
FIFO = First In, First Out 
gawk = GNU AWK 
gpg = GNU Privacy Guard 
groff = GNU troff 
GRUB = GRand Unified Bootloader 
hal = Hardware Abstraction Layer 
IFS = Internal Field Seperators 
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 
LILO = LInux LOader 
m4 = Macro processor Version 4 
man = MANual pages 
mawk = Mike Brennan's AWK 
mc = Midnight Commander 
MIME = Multipurpose Internet Mail Extensions 
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 & Email" = "Pine is not Elm" 
ping = Packet InterNet Groper 
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, rc还是plan9的shell 
rev = REVerse 
rm = ReMove 
rn = Read News 
roff = RunOFF 
rpm = RPM Package Manager = RedHat Package Manager 
rsh, rlogin, rvim中的r = 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 或 Switch User（前者较常见） 
sudo = superuser / substitue user do 
svn = SubVersioN 
tar = Tape ARchive 
tcsh = TENEX C shell 
tee = T (T形水管接口) 
telnet = TEminaL over Network 
termcap = terminal capability 
terminfo = terminal information 
tex = τέχνη的缩写，希腊文art 
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 Is Not 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 
YaST = Yet Another Setup Tool 
附部分目录的全称： 
/dev = devices 
/etc = ETCetera etcetera 
/lib = LIBrary 
/proc = PROCesses 
/sbin = Superuser BINaries 
/tmp = TeMPorary 
/usr = Unix Shared Resources 
/var = VARiable

Linux常用命令全集：

http://linux.chinaitlab.com/special/linuxcom/Index.html