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One Day One GNU/Linux Command
=============================
ping -- send ICMP ECHO_REQUEST to network hosts
Summary :
Packet InterNet Groper uses the ICMP protocol's mandatory
ECHO_REQUEST datagram to elicit an ICMP ECHO_RESPONSE from
a host or gateway to find whether it is alive or not. See
http://ftp.arl.mil/~mike/ping.html ;(Thanks Vijaykumar).
Example:
$ ping localhost -- Resolve the IP for localhost and Ping it.
$ ping 127.0.0.1 -- Ping for IP 127.0.0.1
$ ping -a host -- Bell after every successful ping.
$ ping -b 192.168.1.255 -- Ping the broadcast IP.
$ ping -c 6 host -- Stop after sending 6 ECHO_REQUEST packets.
# ping -f host -- Flood ping. Packets will generated with Zero inter
packet time.
$ ping -i 5 host -- Wait 5 seconds between sending each packet.
$ ping -q host -- Quiet Mode. Only shows initial and end summary.
$ ping -R host -- Record and print the route used by the packets.
$ ping -s 100 host -- Sent 100 bytes ICMP packet. Default 56 Bytes.
$ ping -w 5 host -- Ping for 5 Sec and Exit.
$ ping -p AA host -- Sent packet data filled with pattern AA.
Read: man ping
HTH :)
--
Bharathi S
