http://wenku.baidu.com/view/8867fb07bed5b9f3f90f1c81.html for shell commands, deadline is 2012/12/20 24:00
http://418282998.i.sohu.com/blog/view/164729434.htm ls & grep
http://www.cnblogs.com/hnrainll/archive/2011/08/11/2135315.html for putty application guides
http://blog.chinaunix.net/uid-790245-id-2037360.html grep
oracle sql for join , deadline is same with above item
JIRA a tool for management for Agile
Clairity for record efforts for project