語法速查： http://www.tldp.org/LDP/abs/html/refcards.html 完整介紹： Bash Guide for Beginners http://tldp.org/LDP/Bash-Beginners-Guide/html/index.html Advanced Bash-Scripting Guide http://www.tldp.org/LDP/abs/html/index.html 鳥哥教學： http://linux.vbird.org/linux_basic/0340bashshell-scripts.php sed： 字串取代工具 http://linux.vbird.org/linux_basic/0330regularex.php