shell

llinux shell:http://www.92csz.com/study/linux/

awk:http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2858470.html

 

shell:http://zhizhuofl.blog.163.com/blog/static/69914779201001910641196/

 

shell和makefile:http://blog.csdn.net/absurd/article/details/636418

 

type help to get internal command