http://blog.chinaunix.net/uid-24148050-id-120532.html
http://bbs.csdn.net/topics/390538368?page=1
http://blog.csdn.net/lanyou1900/article/details/41724103
http://blog.csdn.net/lqxandroid2012/article/details/51367376
http://blog.chinaunix.net/uid-23404636-id-2973630.html
http://blog.chinaunix.net/uid-14753126-id-3180601.html
http://www.cnblogs.com/lovechen/p/5720506.html
https://busybox.net/
http://blog.csdn.net/airk000/article/details/21460689
http://blog.csdn.net/jmq_0000/article/details/7473682
http://www.cnblogs.com/armlinux/archive/2011/04/30/2390827.html 实例