用 ipconfig /? 看看帮助就知道了
D:\>ipconfig /?
Windows 2000 IP Configuration
USAGE:
ipconfig [/? | /all | /release [adapter] | /renew [adapter]
| /flushdns | /registerdns
| /showclassid adapter
| /setclassid adapter [classidtoset] ]
adapter Full name or pattern with '*' and '?' to 'match',
* matches any character, ? matches one character.
Options
/? Display this help message.
/all Display full configuration information.
/release Release the IP address for the specified adapter.
/renew Renew the IP address for the specified adapter.
