Linux开机启动chkconfig命令详解(让MySQL、Apache开机启动)
http://www.jb51.net/LINUXjishu/86331.html
Linux shell使用之exec篇
http://www.2cto.com/os/201204/126934.html
chkconfig --level 235 httpd on //设置Apache服务器在235级别自启动 求详解
https://zhidao.baidu.com/question/239759703354230924.html