#man pingPůvodně odeslal jedik
...Kód:OPTIONS -a Audible ping. -A Adaptive ping. Interpacket interval adapts to round-trip time, so that effectively not more than one (or more, if preload is set) unanswered probes present in the network. Minimal interval is 200msec for not super-user. On networks with low rtt this mode is essentially equivalent to flood mode. -b Allow pinging a broadcast address. ...