Codice:
# ping voyager1.nasa.gov
PING voyager1.nasa.gov (23.22.39.120) 56(84) bytes of data.
64 bytes from voyager1.nasa.gov (23.22.39.120): icmp_seq=1 ttl=64 time=21.297 hrs
64 bytes from voyager1.nasa.gov (23.22.39.120): icmp_seq=2 ttl=64 time=21.341 hrs
64 bytes from voyager1.nasa.gov (23.22.39.120): icmp_seq=3 ttl=64 time=21.114 hrs
^C
vero, risponde!