命令縮寫：全寫ls：list(列出目錄內容)cd：Change Directory（改變目錄）su:switch user 切換使用者rpm:redhat package manager 紅帽子打包管理器pwd:print work directory 列印當前目錄 顯示出當前工作目錄的絕對路徑ps: process status(程序狀態，類似於windows的工作管理員) 常用引數：－auxfps -auxf 顯示程序狀態df: disk free其功能是顯示磁碟可用空間數目資訊及空間結點資訊。換句話說，就是報告在任何安裝的裝置或目錄中，還剩多少自由的空間。rpm： 即RedHat Package Management，是RedHat的發明之一rmdir：Remove Directory（刪除目錄）rm：Remove（刪除目錄或檔案）cat: concatenate連鎖 cat file1file2>>file3把檔案1和檔案2的內容聯合起來放到file3中insmod: install module,載入模組ln -s : link -soft 建立一個軟連結，相當於建立一個快捷方式mkdir：Make Directory(建立目錄)touchman: Manualpwd：Print working directorysu：Swith usercd：Change directoryls：List filesps：Process Statusmkdir：Make directoryrmdir：Remove directorymkfs: Make file systemfsck：File system checkcat: Concatenateuname: Unix namedf: Disk freedu: Disk usagelsmod: List modulesmv: Move filerm: Remove filecp: Copy fileln: Link filesfg: Foregroundbg: Backgroundchown: Change ownerchgrp: Change groupchmod: Change mode

umount: Unmount

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

tar：Tape archive (檔案檔案) ldd：List dynamic dependencies insmod：Install module rmmod：Remove module lsmod：List module 檔案結尾的"rc"（如.bashrc、.xinitrc等）：Resource configuration Knnxxx /Snnxxx（位於rcx.d目錄下）：K（Kill）；S(Service)；nn（執行順序號）；xxx（服務標識） .a（副檔名a）：Archive，static library .so（副檔名so）：Shared object，dynamically linked library .o（副檔名o）：Object file，complied result of C/C++ source file RPM：Redhat package manager dpkg：Debian package manager apt：Advanced package tool（Debian或基於Debian的發行版中提供） 部分Linux命令縮寫 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是最初作者女兒的名字，SQL = Structured QueryLanguage PHP = Personal Home Page Tools = PHP HypertextPreprocessor PS = Prompt String Perl = "Pratical Extraction and Report Language" ="Pathologically Eclectic Rubbish Lister" Python 得名於電視劇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 bf = 作者HeidiStettner在U.C.Berkely養的一條狗,喜歡對郵遞員汪汪叫。 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 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 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 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 = PASSWorD 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形水管介面) 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 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 Fish = the Friendly Interactive SHell su = Switch User MIME = Multipurpose Internet Mail Extensions ECMA = European Computer ManufacturersAssociation