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  1. or download this
        my $trial = system("ping www.google.com");
  2. or download this
    $ ping -nc1 perlmonks.org
PING perlmonks.org (209.197.123.153) 56(84) bytes of data.
...
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 90.195/90.195/90.195/0.000 ms
$