Pro git 06 git 工具

http://www.linux-ren.org/modules/wiki/index.php/Pro_git_06_git_%E5%B7%A5%E5%85%B7#.E6.9A.82.E5.AD.98.E5.92.8C.E6.92.A4.E5.9B.9E.E6.96.87.E4.BB.B6

http://www.uml.org.cn/pzgl/201107272.asp

http://www.cnblogs.com/welfear/archive/2010/05/24/1742614.html