From: Stefan Monnier on
> When I do "ip route show" or "ifconfig", I see
> eth0
> eth1
> eth3
> lo

> Does it mean the computer has 3 network cards ?

Pretty much, yes. Note that some non-Ethernet network connections may
also use "ethN" names. E.g. some "ethernet over firewire" drivers used
to use such names. Some wifi drivers used to do that as well.


Stefan