Linux 参考信息链接

了解 GNU GPL/GNU LGPL/BSD/MIT/Apache协议
http://blog.youkuaiyun.com/flowingflying/article/details/5746151

愷风（Wei）的专栏
http://blog.youkuaiyun.com/flowingflying/article/details/4547084

Linux Bash Shell学习（二）：目录和通配符

http://blog.youkuaiyun.com/flowingflying/article/details/4576782

常用正则表达式大全

http://blog.youkuaiyun.com/onebigday/article/details/5429868

http://mageedu.blog.51cto.com/4265610/1637514