Android系统root破解原理分析

http://www.cnblogs.com/xiaoxiaoboke/archive/2012/02/13/2349711.html

http://www.cnblogs.com/xiaoxiaoboke/archive/2012/02/13/2349719.html

http://www.cnblogs.com/xiaoxiaoboke/archive/2012/02/13/2349723.html

http://blog.csdn.net/weihongcsu/article/details/7040354