Linux命令縮寫

    ls：List files(列出目錄內容)
    cd：Change Directory（改變目錄）
    su:switch user 切換用戶
    rpm:Redhat Package Manager 紅帽子打包管理器
    pwd:Print Work Directory 打印當前目錄顯示出當前工做目錄的絕對路徑
    ps: Process Status(進程狀態，相似於 windows 的任務管理器)
        經常使用參數：－auxf
        ps -auxf 顯示進程狀態
    df: Disk free 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: Disk usage
    rpm： RedHat Package Management，是 RedHat 的發明之一
    dpkg：Debian package manager
    apt：Advanced package tool（Debian 或基於 Debian 的發行版中提供）
    rmdir：Remove Directory（刪除目錄）
    rm：Remove file（刪除目錄或文件）
    mv: Move file (移動文件)
    cat: Concatenate 連鎖 cat file1 file2>>file3把文件1和文件2的內容聯合起來放到 file3中
    insmod: Install module,載入模塊
    rmmod：Remove module
    lsmod：List module
    ln -s : link -soft 建立一個軟連接，至關於建立一個快捷方式
    mkdir：Make Directory(建立目錄)
    touch
    man: MANual pages
    mkfs: MaKe FileSystem
    fsck：File system check
    uname: Unix name
    lsmod: List modules
    cp: Copy file
    ln: Link files
    fg: ForeGround
    umount: Unmount
    dd: 原本應根據其功能描述「Convert and copy a file」命名爲「cc」，但「cc」已經被用以表明「C Complier」，因此命名爲「dd」
    tar：Tape ARchive
    ldd：List dynamic dependencies
    
    /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 是最初做者女兒的名字，SQL = Structured Query Language
    PHP = Personal Home Page Tools = PHP Hypertext Preprocessor
    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
    ar = archiver
    as = assembler
    awk = "Aho Weiberger and Kernighan" 三個做者的姓的第一個字母
    bash = Bourne Again SHell
    bc = Basic (Better) Calculator
    bg = BackGround
    biff = 做者 Heidi Stettner 在 U.C.Berkely 養的一條狗,喜歡對郵遞員汪汪叫。
    cal = CALendar
    chgrp = CHange GRouP
    chmod = CHange MODe
    chown = CHange OWNer
    chsh = CHange SHell
    cmp = compare
    cobra = Common Object Request Broker Architecture
    comm = common
    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
    diff = DIFFerence
    dmesg = diagnostic message
    ed = editor
    egrep = Extended GREP
    elf = Extensible Linking Format
    elm = ELectronic Mail
    emacs = Editor MACroS
    eval = EVALuate
    ex = EXtended
    exec = EXECute
    fd = file descriptors
    fgrep = Fixed GREP
    fmt = format
    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
    lpr = Line PRint
    lsof = LiSt Open Files
    m4 = Macro processor Version 4
    mawk = Mike Brennan's AWK
    mc = Midnight Commander
    mknod = MaKe NODe
    motd = Message of The Day
    mozilla = MOsaic GodZILLa
    mtab = Mount TABle
    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
    pty = pseudo tty
    pushd = PUSH Directory
    rc = runcom = run command, rc 仍是 plan9的 shell
    rev = REVerse
    rn = Read News
    roff = RunOFF
    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
    svn = SubVersioN
    tcsh = TENEX C shell
    tee = T (T 形水管接口)
    telnet = TEminaL over Network
    termcap = terminal capability
    terminfo = terminal information
    tex = τ