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ping [options] host
System administration command. Confirm that a remote host is online and responding. ping is intended for use in network testing, measurement, and management. Because of the load it can impose on the network, it is unwise to use ping during normal operations or from automated scripts.
Stop after sending (and receiving) count ECHO_RESPONSE packets.
Set SO_DEBUG option on socket being used.
Flood ping-output packets as fast as they come back or 100 times per second, whichever is more. This can be very hard on a network and should be used with caution; only a privileged user may use this option.
Wait wait seconds between sending each packet. Default is to wait 1 second between each packet. This option is incompatible with the -f option.
Send preload number of packets as fast as possible before falling into normal mode of behavior.
Numeric output only. No attempt will be made to look up symbolic names for host addresses.
Specify up to 16 pad bytes to fill out packet sent. This is useful for diagnosing data-dependent problems in a network. digits are in hex. For example, -p ff will cause the sent packet to be filled with all 1s.
Quiet output -- nothing is displayed except the summary lines at startup time and when finished.
Bypass the normal routing tables and send directly to a host on an attached network.
Specify number of data bytes to be sent. Default is 56, which translates into 64 ICMP data bytes when combined with the 8 bytes of ICMP header data.
Verbose -- list ICMP packets received other than ECHO_RESPONSE.
Set the IP record route option, which will store the route of the packet inside the IP header. The contents of the record route will be printed if the -v option is given, and will be set on return packets if the target host preserves the record route option across echoes or the -l option is given.
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