1.awk命令:http://www.cnblogs.com/xudong-bupt/p/3721210.html
2.sed命令:http://www.2cto.com/os/201109/102812.html
3.grep命令:http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2856896.html
4.linux安装IPython四种方法:http://www.dabu.info/linux-install-ipython.html
5.find命令:http://www.chinaz.com/server/2009/0807/85796.shtml
6.wc命令:http://www.cnblogs.com/peida/archive/2012/12/18/2822758.html
7.sort命令:http://www.cnblogs.com/51linux/archive/2012/05/23/2515299.html
8.tee命令:http://www.cnblogs.com/mydomain/archive/2013/04/21/3034303.html
shell实例练习:
http://blog.sina.com.cn/s/blog_a57562c801015m9f.html