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CHENGANG REISINGE PAVELSR KEEDI MISHIN

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brian d foy

NAME

ping - probe for network hosts

SYNOPSIS

  ping [-n] hostname [ timeout ]

DESCRIPTION

ping looks up hostname and then attempts to contact it via the network. If the effective userid permits an ICMP (Internet Control Message Protocol) ECHO_REQUEST packet is sent, otherwise and attempt is made to connect to the echo port using UDP protocol.

A timeout may be specified in seconds. The default is 20 seconds.

If -n option is specified then the address of hostname is reported as numbers.

AUTHOR

Nick Ing-Simmons <nick@ni-s.u-net.com>