本文共 4220 字，大约阅读时间需要 14 分钟。

原文地址：

su：Swith user  切换用户，切换到root用户

cat: Concatenate  串联 uname: Unix name  系统名称 df: Disk free  空余硬盘 du: Disk usage 硬盘使用率 chown: Change owner 改变所有者 chgrp: Change group 改变用户组 ps：Process Status  进程状态 tar：Tape archive 解压文件 chmod: Change mode 改变模式 umount: Unmount 卸载 ldd：List dynamic dependencies 列出动态相依 insmod：Install module 安装模块 rmmod：Remove module 删除模块 lsmod：List module 列表模块 alias :Create your own name for a command bash :GNU Bourne-Again Shell  linux内核 grep:global regular expression print httpd :Start Apache ipcalc :Calculate IP information for a host ping :Send ICMP ECHO_Request to network hosts reboot: Restart your computer sudo:Superuser do   /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最初作者的名字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 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 bash = Bourne Again SHell bc = Basic (Better) Calculator bg = BackGround 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 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 =  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, shell rev = REVerse rm = ReMove rn = Read News roff = RunOFF rpm = RPM Package Manager = RedHat Package Manager rsh, rlogin, = Remote rxvt = ouR XVT 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 telnet = TEminaL over Network termcap = terminal capability terminfo = terminal information 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

转载地址：http://xchab.baihongyu.com/