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ifconfig --help

Display all network interfaces and their configuration

ifconfig

View configuration details for a specific interface (e.g., eth0)

ifconfig eth0

Enable a network interface (e.g., eth0)

ifconfig eth0 up

Disable a network interface (e.g., eth0)

ifconfig eth0 down

Assign an IP address to an interface (e.g., eth0)

ifconfig eth0 192.168.1.10

Set a subnet mask on a network interface

ifconfig eth0 netmask 255.255.255.0

Add an alias for a network interface with a separate IP address

ifconfig eth0:0 192.168.1.20

Remove alias from a network interface

ifconfig eth0:0 down

Set a broadcast address on a network interface

ifconfig eth0 broadcast 192.168.1.255

Change the MAC address of a network interface

ifconfig eth0 hw ether 00:11:22:33:44:55