linux
http://www.xitongzhijia.net/xtjc/20141203/31845.html
http://zhidao.baidu.com/link?url=CoiwHuQPzEoH_ro2hcJ9Gpxn-f7yIqFHTKs62bc9HDGHuFOvw6i63kL5RNhZNyt4bRaRn39wSrHYF3C_vaUyOq
http://blog.csdn.net/zimu2702/article/details/6956458
http://wenku.baidu.com/link?url=RJoTtRtsg9pBsxk5FM0nK7nmNh-4sh9dilvxI359XaiNQK-k15Rk3MQQt_0eaWXZxS-zxaDxe_Ce3jaCAMYezv7qRPzNg-PW1TKO6GZM0pC
http://www.111cn.net/sys/linux/84363.htm