网络经典命令行 1.最基本，最常用的，测试物理网络的 ping 192.168.0.8 －t ，参数－t是等待用户去中断测试 2.查看DNS、IP、Mac等 A.Win98：winipcfg B.Win2000以上：Ipconfig/all C.NSLOOKUP：如查看河北的DNS C:\>nslookup Default Server: ns.hesjptt.net.cn Address: 202.99.160.68

Cent OS IP和DNS 更改手册，方便快速更改LINUX CENTOS的ID地址网关及DNS-Cent OS IP and DNS changes to the manual to facilitate rapid change LINUX CENTOS ID address of the gateway and DNS