Linux查询一台机器的IP地址和其对应的域名
youhaidong@youhaidong-ThinkPad-Edge-E545:~$ nslookup > 127.0.0.1 Server: 127.0.1.1 Address: 127.0.1.1#53 1.0.0.127.in-addr.arpa name = localhost. >
原文：http://blog.csdn.net/you23hai45/article/details/44139333
