测试

http://blog.csdn.net/wyzxk888/article/details/5959514

http://home.eeworld.com.cn/my/space-uid-467380-blogid-237175.html

https://www.linuxtechi.com/install-putty-in-ubuntu/

http://blog.csdn.net/woshinia/article/details/22861757

http://velep.com/archives/934.html

http://blog.csdn.net/mad1989/article/details/37568667

http://www.cnblogs.com/freeliver54/archive/2011/09/16/2178910.html

http://blog.csdn.net/defonds/article/details/8782785

http://thinkblog.iteye.com/blog/1499877

https://yq.aliyun.com/articles/13239

http://blog.csdn.net/jiangxinyu/article/details/8161044