不多说,一些参考链接
http://hi.baidu.com/yangyingchao/blog/item/b5bd6cdf665ac11e4854036a.html
http://blog.csdn.net/mm350670610/article/details/5895561
http://www.linuxidc.com/Linux/2011-05/35327.htm
http://wenku.baidu.com/search?word=Linux%C9%E8%B1%B8%C7%FD%B6%AF%B3%CC%D0%F2%D1%A7%CF%B0&lm=0&od=0&pn=0