ping - probe for network hosts

NAME  SYNOPSIS  DESCRIPTION  AUTHOR 

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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>

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