Linux 常用命令缩写由来

• ls：list(列出目录内容) 
• cd：Change Directory（改变目录） 
• su:switch user 切换用户 
• rpm:redhat package manager 红帽子打包管理器 
• pwd:print work directory 打印当前目录显示出当前工作目录的绝对路径 
• ps: process status(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: disk free 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 RedHat Package Management，是 RedHat 的发明之一 
• rmdir：Remove Directory（删除目录） 
• rm：Remove（删除目录或文件） 
• cat: concatenate 连锁 cat file1 file2>>file3把文件1和文件2的内容联合起来放到 file3中 
• insmod: install module,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：Make Directory(创建目录
  touch 
• man: Manual 
• pwd：Print working directory 
• su：Swith user 
• cd：Change directory 
• ls：List files 
• ps：Process Status 
• mkdir：Make directory 
• rmdir：Remove directory 
• mkfs: Make file system 
• fsck：File system check 
• cat: Concatenate 
• uname: Unix name 
• df: Disk free 
• du: Disk usage 
• 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: 本来应根据其功能描述“Convert an copy”命名为“cc”，但“cc”已经被用以代表“C Complier”，所以命名为“dd” 
• tar：Tape archive 
• ldd：List dynamic dependencies 
• insmod：Install module 
• rmmod：Remove module 
• lsmod：List module
  文件结尾的"rc"（如.bashrc、.xinitrc 等）：Resource configuration
  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，static library 
• .so（扩展名 so）：Shared object，dynamically linked library 
• .o（扩展名 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 的发行版中提供） 
• 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 是最初作者女儿的名字，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 得名于电视剧 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" 三个作者的姓的第一个字母 
• bash = Bourne Again SHell 
• bc = Basic (Better) Calculator 
• bg = BackGround 
• biff = 作者 Heidi Stettner 在 U.C.Berkely 养的一条狗,喜欢对邮递员汪汪叫。 
• 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 
• 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 
• 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 = 拟声又 = 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 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 
• 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