Sends AppleTalk Echo Protocol (AEP) request packets
host and displays transmission statistics if successful. The AppleTalk
host is specified in either of the following ways:
type, as shown by the atlookup command. If
zone isn't specified, the current zone is used.
The host's network and node number in hexadecimal, as shown by the atlookup command.
Send packets of
packet-size bytes (a value between 14 and 599). The default value is 64.
npackets number of packets before stopping. If
npackets is not specified, appleping continues until you've sent an interrupt (using Control-C, for example).