命令縮寫

pwd:printworkdirectory打印當前目錄顯示出當前工作目錄的絕對路徑

ps:processstatus(進程狀態，類似于windows的任務管理器)

常用參數：－auxf

ps-auxf 顯示進程狀態

df:diskfree 其功能是顯示磁盤可用空間數目信息及空間結點信息。換句話說，就是報告在任何安裝的設備或目錄中，還剩多少自由的空間。

du:Diskusage

rpm：即RedHatPackageManagement，是RedHat的發明之一

rmdir：RemoveDirectory（刪除目錄）

rm：Remove（刪除目錄或文件）

cat:concatenate連鎖

catfile1file2>>file3把文件1和文件2的內容聯合起來放到file3中

insmod:installmodule,載入模塊

ln-s:link-soft創建一個軟鏈接，相當于創建一個快捷方式

mkdir：MakeDirectory(創建目錄)

touch

man:Manual

su：Swithuser(切換用戶)

cd：Changedirectory

ls：Listfiles

ps：ProcessStatus

mkdir：Makedirectory

rmdir：Removedirectory

mkfs:Makefilesystem

fsck：Filesystemcheck

uname:Unixname

lsmod:Listmodules

mv:Movefile

rm:Removefile

cp:Copyfile

ln:Linkfiles

fg:Foreground

bg:Background

chown:Changeowner

chgrp:Changegroup

chmod:Changemode

umount:Unmount

dd:本來應根據其功能描述“Convertancopy”命名為“cc”，但“cc”已經被用以代表“CComplier”，所以命名為“dd”

tar：Tapearchive （磁帶檔案）

ldd：Listdynamicdependencies

insmod：Installmodule

rmmod：Removemodule

lsmod：Listmodule

文件結尾的"rc"（如.bashrc、.xinitrc等）：Resourceconfiguration

Knnxxx/Snnxxx（位于rcx.d目錄下）：K（Kill）；S(Service)；

nn（執行順序號）；xxx（服務標識）

.a（擴展名a）：Archive，staticlibrary

.so（擴展名so）：Sharedobject，dynamicallylinkedlibrary

.o（擴展名o）：Objectfile，compliedresultofC/C++sourcefile

RPM：Redhatpackagemanager

dpkg：Debianpackagemanager

apt：Advancedpackagetool（Debian或基于Debian的發行版中提供）

部分Linux命令縮寫

bin=Binaries (二進制文件)

/dev=Devices (設備)

/etc=Etcetera (等等)

/lib=LIBrary

/proc=Processes

/sbin=SuperuserBinaries (超級用戶的二進制文件)

/tmp=Temporary (臨時)

/usr=UnixSharedResources

/var= Variable(變量)

FIFO=FirstIn,FirstOut

GRUB=GRandUnifiedBootloader

IFS=InternalFieldSeperators

LILO=LInuxLOader

MySQL=My是最初作者女兒的名字，

SQL=StructuredQueryLanguage

PHP=PersonalHomePageTools=PHPHypertextPreprocessor

PS=PromptString

Perl="PraticalExtractionandReportLanguage"(實際的抽取和報告語言) ="PathologicallyEclecticRubbishLister"

Python得名于電視劇MontyPython'sFlyingCircus

Tcl=ToolCommandLanguage

Tk=ToolKit

VT=VideoTerminal

YaST=YetAnotherSetupTool

apache="apatchy"server

apt=AdvancedPackagingTool

ar=archiver

as=assembler

awk="AhoWeibergerandKernighan"三個作者的姓的第一個字母

bash=BourneAgainSHell

bc=Basic(Better)Calculator

bg=BackGround

biff=作者HeidiStettner在U.C.Berkely養的一條狗,喜歡對郵遞員汪汪叫。

cal=Calendar (日歷)

cat=Catenate (鏈接)

cd=ChangeDirectory

chgrp=ChangeGroup

chmod=ChangeMode

chown=ChangeOwner

chsh=ChangeShell

cmp=compare

cobra=CommonObjectRequestBrokerArchitecture

comm=common

cp=Copy

cpio=CoPyInandOut

cpp=CPreProcessor

cron=Chronos希臘文時間

cups=CommonUnixPrintingSystem

cvs=CurrentVersionSystem

daemon=DiskAndExecutionMONitor

dc=DeskCalculator

dd=DiskDump (磁盤轉儲)

df=DiskFree

diff=Difference

dmesg=diagnosticmessage

du=DiskUsage

ed=editor

egrep=ExtendedGREP

elf=ExtensibleLinkingFormat

elm=ELectronicMail

emacs=EditorMACroS

eval=EVALuate

ex=EXtended

exec=EXECute (執行)

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=Passwd

pg=pager

pico=PIne'smessageCOmpositioneditor

pine="ProgramforInternetNews&Email"="PineisnotElm"

ping=擬聲又=PacketInternetGrouper

pirntcap=PRINTerCAPability

popd=POPDirectory

pr=pre

printf=Print Formatted

ps=ProcessesStatus

pty=pseudotty

pushd=PUSHDirectory

pwd=PrintWorkingDirectory

rc=runcom=runcommand,rc還是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=τ?χνη的縮寫，希臘文art

tr=traslate

troff=TypesetternewROFF

tsort=TopologicalSORT

tty=TeleTypewriter

twm=Tom'sWindowManager

tz=TimeZone

udev=UserspaceDEV

ulimit=User'sLIMIT

umask=User'sMASK

uniq=UNIQue

i=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