[root@localhost ~]# ping -c4
www.google.com
ping: unknown host
www.google.com
[root@localhost ~]#
[root@localhost ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:14:2A:BB:2B:F3
inet addr:192.168.2.103 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::214:2aff:febb:2bf3/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:661 errors:0 dropped:0 overruns:0 frame:0
TX packets:337 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:95772 (93.5 KiB) TX bytes:59456 (58.0 KiB)
Interrupt:185 Base address:0xc000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:34 errors:0 dropped:0 overruns:0 frame:0
TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:6816 (6.6 KiB) TX bytes:6816 (6.6 KiB)
[root@localhost ~]#