.TH PING 1
.SH NAME
    ping - send ICMP echo requests

.SH SYNOPSIS
    ping <host>

.SH DESCRIPTION
    Sends 4 ICMP echo requests to the specified host and prints
    the round-trip time for each reply.

    The host may be an IP address or a hostname. Hostnames are
    resolved via the configured DNS server.

    Each request has a 3-second timeout. Requests are sent at
    1-second intervals.

.SH OUTPUT
    PING example.com (93.184.216.34)
      Reply from 93.184.216.34: time=12ms
      Reply from 93.184.216.34: time=11ms
      Reply from 93.184.216.34: time=13ms
      Reply from 93.184.216.34: time=11ms

    If a reply is not received within the timeout:

      Request timed out

.SH EXAMPLES
    ping 10.0.68.1
        Ping the gateway by IP address.

    ping google.com
        Ping by hostname (requires DNS).

.SH SEE ALSO
    nslookup(1), ifconfig(1), shell(1), syscalls(2)