What is the ifconfig command

Unix System ifconfig is the interface Configurator, is a multi-function tool, its main task is to give the Ethernet card IP address, but the UNIX system ifconfig can do more work.

Ifconfig View Network interface information

We can use Ifconfig to collect the information of the network card, use the ifconfig-a command, UNIX will display all the information of the network card, and explain which interface is useful, those are useless, use this method, it is easy to know your Ethernet card is ed0, fxp0 or X10, Or all of the other things. Once you know the network card name, you can specify the device name as the Ifconfig parameter, and you get the settings for the interface:

Ifconfig Modify IP Address

Of course, the function of ifconfig more, here is to use Ifconfig to modify the UNIX IP address, we can perform "Ifconfig fxp1 192.168.1.64" and determine. In fact, there are many uses for the Ifconfig command, which is illustrated in this article.