ifconfig with no options is the same as ifconfig -a
ifconfig -a displays the status of allinterfaces, active or not.
ifconfig dc0 126.3.0.1 changes the IP address of dc0
ifconfig dc0 netmask 255.255.0.0 changes the network mask for dc0
ifconfig with no options just shows the command syntax
ifconfig -a displays the status of allinterfaces, active or not.
ifconfig tlp0 126.3.0.1 changes the IP address of tlp0
ifconfig tlp0 netmask 255.255.0.0 changes the network mask for tlp0
ifconfig with no arguments displays the status of currently active interfaces including TCP/IP addresses, packet statistics, collisions, Interrupt & Base address.
ifconfig -a displays the status of allinterfaces, active or not.
ifconfig eth0 down shuts down interface eth0
ifconfig eth0 up activates the eth0 interface
ifconfig eth0 netmask 255,255,0,0 changes the network mask for eth0
ifconfig eth0 -pointopoint 126.3.0.1 (note the hyphen and spelling) changes the IP address of eth0
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