linux下命令的全称,方便记忆

su：Swith user  切换用户，切换到root用户

cat: Concatenate  串联

uname: Unix name  系统名称

df: Disk free  空余硬盘

du: Disk usage 硬盘使用率

chown: Change owner 改变所有者

chgrp: Change group 改变用户组

ps：Process Status  进程状态

tar：Tape archive 解压文件

chmod: Change mode 改变模式

umount: Unmount 卸载

ldd：List dynamic dependencies 列出动态相依

insmod：Install module 安装模块

rmmod：Remove module 删除模块

lsmod：List module 列表模块

alias :Create your own name for a command

bash :GNU Bourne-Again Shell  linux内核 

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最初作者的名字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 & Email" = "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 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