pwd:print work directory 打印當前目錄 顯示出當前工作目錄的絕對路徑

ps: process status(進程狀態(tài)，類似于windows的任務(wù)管理器)

常用參數(shù)：－auxf

ps -auxf 顯示進程狀態(tài)

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

du: Disk usage

rpm：即RedHat Package Management，是RedHat的發(fā)明之一

rmdir：Remove Directory（刪除目錄）

rm：Remove（刪除目錄或文件）

cat: concatenate 連鎖

cat file1file2>>file3 把文件1和文件2的內(nèi)容聯(lián)合起來放到file3中

insmod: install module,載入模塊

ln -s : link -soft 創(chuàng)建一個軟鏈接，相當于創(chuàng)建一個快捷方式

mkdir：Make Directory(創(chuàng)建目錄)

touch

man: Manual

su：Swith user(切換用戶)

cd：Change directory

ls：List files

ps：Process Status

mkdir：Make directory

rmdir：Remove directory

mkfs: Make file system

fsck：File system check

uname: Unix name

lsmod: List modules

mv: Move file

rm: Remove file

cp: Copy file

ln: Link files

fg: Foreground

bg: Background

chown: Change owner

chgrp: Change group

chmod: Change mode

umount: Unmount

dd: 本來應(yīng)根據(jù)其功能描述“Convert an copy”命名為“cc”，但“cc”已經(jīng)被用以代表“CComplier”，所以命名為“dd”

tar：Tape archive （磁帶檔案）

ldd：List dynamic dependencies

insmod：Install module

rmmod：Remove module

lsmod：List module

文件結(jié)尾的"rc"（如.bashrc、.xinitrc等）：Resource configuration

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

nn（執(zhí)行順序號）；xxx（服務(wù)標識）

.a（擴展名a）：Archive，static library

.so（擴展名so）：Shared object，dynamically linked library

.o（擴展名o）：Object file，complied result of C/C++ source file

RPM：Red hat package manager

dpkg：Debian package manager

apt：Advanced package tool（Debian或基于Debian的發(fā)行版中提供部分Linux命令縮寫）

bin = Binaries (二進制文件)

/dev = Devices (設(shè)備)

/etc = Etcetera (等等)

/lib = LIBrary

/proc = Processes

/sbin = Superuser Binaries (超級用戶的二進制文件)

/tmp = Temporary (臨時)

/usr = Unix Shared Resources

/var = Variable (變量)

FIFO = First In, First Out

GRUB = GRand Unified Bootloader

IFS= Internal Field Seperators

LILO = LInux LOader

MySQL = My 是最初作者女兒的名字，

SQL = Structured QueryLanguage

PHP = Personal Home Page Tools = PHP HypertextPreprocessor

PS = Prompt String

Perl = "Pratical Extraction and Report Language"(實際的抽取和報告語言) ="Pathologically Eclectic Rubbish Lister"

Python 得名于電視劇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

awk = "Aho Weiberger and Kernighan"三個作者的姓的第一個字母

bash = Bourne Again SHell

bc = Basic (Better) Calculator

bg = BackGround

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

cal = Calendar (日歷)

cat = Catenate (鏈接)

cd = Change Directory

chgrp = Change Group

chmod = Change Mode

chown = Change Owner

chsh = Change Shell

cmp = compare

cobra = Common Object Request BrokerArchitecture

comm = common

cp = Copy

cpio = CoPy In and Out

cpp = C Pre Processor

cron = Chronos 希臘文時間

cups = Common Unix Printing System

cvs = Current Version System

daemon = Disk And Execution MONitor

dc = Desk Calculator

dd = Disk Dump (磁盤轉(zhuǎn)儲)

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 (執(zhí)行)

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 IrritatingSuperfluous 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 = Passwd

pg = pager

pico = PIne's message COmposition editor

pine = "Program for Internet News &Email" = "Pine is not Elm"

ping = 擬聲 又 = 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, rc還是plan9的shell

rev = REVerse

rm = ReMove

rn = Read News

roff = RunOFF

rpm = RPM Package Manager = RedHat PackageManager

rsh, rlogin, rvim中的

r = Remote

rxvt = ouR XVT

seamoneky = 我

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

tee = T (T形水管接口)

telnet = TEminaL over Network

termcap = terminal capability

terminfo = terminal information

tex = τ?χνη的縮寫，希臘文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

i = 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

Fish = the Friendly Interactive SHell

su = Switch User

MIME = Multipurpose Internet Mail Extensions

ECMA = European Computer ManufacturersAssociation

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