unix View the Manual Pages Viewing the Manual Page for a System Command

Example

man <command>

This will show the manual page for the specified command.

For example, man ping will show:

PING(8)                   BSD System Manager's Manual                  PING(8)

NAME
     ping -- send ICMP ECHO_REQUEST packets to network hosts

SYNOPSIS
     ping [-AaCDdfnoQqRrv] [-b boundif] [-c count] [-G sweepmaxsize]
          [-g sweepminsize] [-h sweepincrsize] [-i wait] [-k trafficclass]
          [-l preload] [-M mask | time] [-m ttl] [-P policy] [-p pattern]
          [-S src_addr] [-s packetsize] [-t timeout] [-W waittime] [-z tos]
          host
     ping [-AaDdfLnoQqRrv] [-b boundif] [-c count] [-I iface] [-i wait]
          [-k trafficclass] [-l preload] [-M mask | time] [-m ttl] [-P policy]
          [-p pattern] [-S src_addr] [-s packetsize] [-T ttl] [-t timeout]
          [-W waittime] [-z tos] mcast-group

DESCRIPTION
     The ping utility uses the ICMP protocol's mandatory ECHO_REQUEST datagram
     to elicit an ICMP ECHO_RESPONSE from a host or gateway.  ECHO_REQUEST
     datagrams (``pings'') have an IP and ICMP header, followed by a ``struct
     timeval'' and then an arbitrary number of ``pad'' bytes used to fill out
     the packet.  The options are as follows:

...

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