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PING
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1994-09-16
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ping <host> [<length> [<repeat_ms> [<incflag>]]]
Verify a host is alive, by sending it ICMP Echo Request packets.
<host> is the address to ping.
<length> is the number of bytes to use in the data portion of the
packet being built. <length> defaults to a small value, sufficient
to contain a timestamp to facilitate determining round-trip timing.
Any additional data bytes will contain 0x55 characters ('U').
<repeat_ms> specifies that instead of sending a single ping, a session
is to be established to do repeated pings every <repeat_ms> MILLISECONDS.
A running display of attempts, round-trip times, and mean deviation of
round-trip times is maintained in this session. To terminate the
session, press F10 and then use the reset command.
<incflag> indicates that the host IP address is to be incremented
by one at each ping attempt. It is intended to help search blocks
of IP addresses for active hosts. It should be used sparingly if
at all.