linux命令英文缩写的含义（方便记忆）
命令缩写：
ls：list(列出目录内容)
cd：ChangeDirectory（改变目录）
su:switchuser切换用户
rpm:redhatpackagemanager红帽子打包管理器
pwd:printworkdirectory打印当前目录显示出当前工作目录的绝对路径
ps:processstatus(进程状态，类似于windows的任务管理器)常用参数：－auxf
ps-auxf显示进程状态
df:diskfree其功能是显示磁盘可用空间数目信息及空间结点信息。换句话说，就是报告在任何安装的设备或目录中，还剩多少自由的空间。
rpm：即RedHatPackageManagement，是RedHat的发明之一
rmdir：RemoveDirectory（删除目录）
rm：Remove（删除目录或文件）
cat:concatenate连锁catfile1file2>>file3把文件1和文件2的内容联合起来放到file3中
insmod:installmodule,载入模块
ln-s:link-soft创建一个软链接，相当于创建一个快捷方式
mkdir：MakeDirectory(创建目录
touch
man:Manual
pwd：Printworkingdirectory
su：Swithuser
cd：Changedirectory
ls：Listfiles
ps：ProcessStatus
mkdir：Makedirectory
rmdir：Removedirectory
mkfs:Makefilesystem
fsck：Filesystemcheck
cat:Concatenate
uname:Unixname
df:Diskfree
du:Diskusage
lsmod:Listmodules
mv:Movefile
rm:Removefile
cp:Copyfile
ln:Linkfiles
fg:Foreground
bg:Background
chown:Changeowner
chgrp:Changegroup
chmod:Changemode
umount:Unmount
dd:本来应根据其功能描述“Convertancopy”命名为“cc”，但“cc”已经被用以代表“CComplier”，所以命名为“dd”
tar：Tapearchive
ldd：Listdynamicdependencies
insmod：Installmodule
rmmod：Removemodule
lsmod：Listmodule
文件结尾的"rc"（如.bashrc、.xinitrc等）：Resourceconfiguration
Knnxxx/Snnxxx（位于rcx.d目录下）：K（Kill）；S(Service)；nn（执行顺序号）；xxx（服务标识）
.a（扩展名a）：Archive，staticlibrary
.so（扩展名so）：Sharedobject，dynamicallylinkedlibrary
.o（扩展名o）：Objectfile，compliedresultofC/C++sourcefile
RPM：Redhatpackagemanager
dpkg：Debianpackagemanager
apt：Advancedpackagetool（Debian或基于Debian的发行版中提供）
部分Linux命令缩
bin=BINaries#下面的是一些二进制程序文件
/dev=DEVices#下面的是一些硬件驱动
/etc=ETCetera#目录存放着各种系统配置文件,类似于windows下的system
/lib=LIBrary
/proc=PROCesses
/sbin=SuperuserBINaries
/tmp=TeMPorary
/usr=UnixSharedResources
/var=VARiable?
/boot=boot#下面的是开机启动文件
FIFO=FirstIn,FirstOut
GRUB=GRandUnifiedBootloader
IFS=InternalFieldSeperators
LILO=LInuxLOader
MySQL=My是最初作者女儿的名字，SQL=StructuredQueryLanguage
PHP=PersonalHomePageTools=PHPHypertextPreprocessor
PS=PromptString
Perl="PraticalExtractionandReportLanguage"="PathologicallyEclecticRubbishLister"
Python得名于电视剧MontyPython'sFlyingCircus
Tcl=ToolCommandLanguage
Tk=ToolKit
VT=VideoTerminal
YaST=YetAnotherSetupTool
apache="apatchy"server
apt=AdvancedPackagingTool
ar=archiver
as=assembler
awk="AhoWeibergerandKernighan"三个作者的姓的第一个字母
bash=BourneAgainSHell
bc=Basic(Better)Calculator
bg=BackGround
biff=作者HeidiStettner在U.C.Berkely养的一条狗,喜欢对邮递员汪汪叫。
cal=CALendar
cat=CATenate
cd=ChangeDirectory
chgrp=CHangeGRouP
chmod=CHangeMODe
chown=CHangeOWNer
chsh=CHangeSHell
cmp=compare
cobra=CommonObjectRequestBrokerArchitecture
comm=common
cp=CoPy
cpio=CoPyInandOut
cpp=CPreProcessor
cron=Chronos希腊文时间
cups=CommonUnixPrintingSystem
cvs=CurrentVersionSystem
daemon=DiskAndExecutionMONitor
dc=DeskCalculator
dd=DiskDump
df=DiskFree
diff=DIFFerence
dmesg=diagnosticmessage
du=DiskUsage
ed=editor
egrep=ExtendedGREP
elf=ExtensibleLinkingFormat
elm=ELectronicMail
emacs=EditorMACroS
eval=EVALuate
ex=EXtended
exec=EXECute
fd=filedescriptors
fg=ForeGround
fgrep=FixedGREP
fmt=format
fsck=FileSystemChecK
fstab=FileSystemTABle
fvwm=F***VirtualWindowManager
gawk=GNUAWK
gpg=GNUPrivacyGuard
groff=GNUtroff
hal=HardwareAbstractionLayer
joe=Joe'sOwnEditor
ksh=KornSHell
lame=LameAin'tanMP3Encoder
lex=LEXicalanalyser
lisp=LIStProcessing=LotsofIrritatingSuperfluousParentheses
ln=LiNk
lpr=LinePRint
ls=list
lsof=LiStOpenFiles
m4=MacroprocessorVersion4
man=MANualpages
mawk=MikeBrennan'sAWK
mc=MidnightCommander
mkfs=MaKeFileSystem
mknod=MaKeNODe
motd=MessageofTheDay
mozilla=MOsaicGodZILLa
mtab=MountTABle
mv=MoVe
nano=Nano'sANOthereditor
nawk=NewAWK
nl=NumberofLines
nm=names
nohup=NoHangUP
nroff=NewROFF
od=OctalDump
passwd=PASSWorD
pg=pager
pico=PIne'smessageCOmpositioneditor
pine="ProgramforInternetNews&Email"="PineisnotElm"
ping=拟声又=PacketInterNetGrouper
pirntcap=PRINTerCAPability
popd=POPDirectory
pr=pre
printf=PRINTFormatted
ps=ProcessesStatus
pty=pseudotty
pushd=PUSHDirectory
pwd=PrintWorkingDirectory
rc=runcom=runcommand,rc还是plan9的shell
rev=REVerse
rm=ReMove
rn=ReadNews
roff=RunOFF
rpm=RPMPackageManager=RedHatPackageManager
rsh,rlogin,rvim中的r=Remote
rxvt=ouRXVT
seamoneky=我
sed=StreamEDitor
seq=SEQuence
shar=SHellARchive
slrn=S-Langrn
ssh=SecureSHell
ssl=SecureSocketsLayer
stty=SetTTY
su=SubstituteUser
svn=SubVersioN
tar=TapeARchive
tcsh=TENEXCshell
tee=T(T形水管接口)
telnet=TEminaLoverNetwork
termcap=terminalcapability
terminfo=terminalinformation
tex=τέχνη的缩写，希腊文art
tr=traslate
troff=TypesetternewROFF
tsort=TopologicalSORT
tty=TeleTypewriter
twm=Tom'sWindowManager
tz=TimeZone
udev=UserspaceDEV
ulimit=User'sLIMIT
umask=User'sMASK
uniq=UNIQue
vi=VIsual=VeryInconvenient
vim=ViIMproved
wall=writeall
wc=WordCount
wine=WINEIsNotanEmulator
xargs=eXtendedARGuments
xdm=XDisplayManager
xlfd=XLogicalFontDescription
xmms=XMultimediaSystem
xrdb=XResourcesDataBase
xwd=XWindowDump
yacc=yetanothercompilercompiler
Fish=theFriendlyInteractiveSHell
su=SwitchUser
MIME=MultipurposeInternetMailExtensions
ECMA=EuropeanComputerManufacturersAssociation