petr@ns:~$ ping -c 10 www.root.cz
PING root.cz (91.213.160.118) 56(84) bytes of data.
64 bytes from www.root.cz (91.213.160.118): icmp_seq=1 ttl=61 time=1.99 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=2 ttl=61 time=1.97 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=3 ttl=61 time=1.97 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=4 ttl=61 time=1.95 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=5 ttl=61 time=1.95 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=6 ttl=61 time=0.883 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=7 ttl=61 time=0.896 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=8 ttl=61 time=0.868 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=9 ttl=61 time=0.867 ms
64 bytes from www.root.cz (91.213.160.118): icmp_seq=10 ttl=61 time=0.867 ms
--- root.cz ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9035ms
rtt min/avg/max/mdev = 0.867/1.421/1.990/0.547 ms