linux command line and shell scripting bible

option "-I", as4. It is also possible to add two commands together, adding the character "HEAD", "TAIL" to each line of Test.file, and the command: sed '/./{s/^/head/;s/$/tail/} ' test.fileIn fact, the above is OK, spend too much time yesterday, mainly because the file is processed by MySQL from the database extracted from the results of the guide, others gave me after I directly deal with, too brain remnants =-I have been a little doubt the result i

Query IP on the Web page open URLs can be displayed, but at the command line can be installed w3m/links/lynx these command-line browser, but for this and feel inconvenient, so a lot of IP site to provide unix/linux.Command line query (verbose): Unix/linux: #curl cip.ccwindows: >telnet cip.cc >ftp cip.cc command

Move:Ctrl + A: Moves to the beginning of the currently edited command,Ctrl + B: Moves to the end of the currently edited command line,Ctrl + F or->: move by word aligns (toward the end of the command line, forward)Ctrl + B or Alt + F: Move right by word (toward end of command line, forward)Alt + B: Moves left by word (toward the beginning of the command, then bac

/cache/yumYum Create cacheYum Makecache3. Install the software from the source codeTAR-ZXVF xxx.bz2 files, etc.Then go to compile with directory./configureMaking make InstallThe./configure can be set at compile time by selecting--prefix= specific path and parameters4. The most useful tool under the configuration file is Vim's main use:Vim .... txt for editingI enter edit modeESC exits edit mode into command mode: Q Do not save exit: q! Do not save a forced exit, the user has modified the file c

#!/bin/bash# Modify showed marked## biaoshi.sh 207# by Wangxianzheng 2011/12/20path=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/ X11r6/bin:/root/binecho "####### #execute $ begin...##############"sysver=$ (head-n 1/etc/issue |awk ' {print $} ')function MODIFY_BASHRC () {echo "dst=$ (netcard=$ (ifconfig |grep-b1 192.168 |awk '/eth/{if ($1==" eth1 ") print" eth1 "; else print" eth0 "} ' |head-1) ; Ifconfig |awk ' {if (a) {split ($0,b, "add