bash-3.00# ifconfig
eth0       Link encap:Ethernet  HWaddr 00:09:5B:19:CB:D1
           UP BROADCAST MULTICAST  MTU:1500  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:0 (0,0 b)  TX bytes:2548 (2.4 Kb)
           Interrupt:3 Base address:0x9000

lo         Link encap: Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:330 errors:0 dropped:0 overrun:0 frame:0
           TX packets:330 errors:0 dropped:0 overrun:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:54300 (53.0 Kb)  TX bytes:54300 (53.0 Kb)