TELNET(1N)              COMMAND REFERENCE              TELNET(1N)



NAME
     telnet - user interface to the TELNET protocol

SYNOPSIS
     telnet [ host[port]]

DESCRIPTION
     Telnet is used to communicate with another host using the
     TELNET protocol.  If telnet is invoked without arguments, it
     enters command mode, indicated by its prompt, telnet>.  In
     this mode, it accepts and executes the commands listed
     below.  If it is invoked with arguments, it performs an open
     command (see below) with those arguments.

     Once a connection has been opened, telnet enters input mode.
     In this mode, text typed is sent to the remote host.  To
     issue telnet commands when in input mode, precede them with
     the telnet escape character (initially CTRL-], control
     right-bracket).  When in command mode, the normal terminal
     editing conventions are available.

     The following commands are available.  Only enough of each
     command to uniquely identify it needs to be typed.

     open host [ port ]
          Open a connection to the named host.  If the no-port
          number is specified, telnet will attempt to contact a
          TELNET server at the default port.  The host
          specification may be either a host name (see hosts(5n))
          or an Internet address specified in the dot notation.

     close
          Close a TELNET session and return to command mode.

     quit Close any open TELNET session and exit telnet.

     z    Suspend telnet.  This command only works when the user
          is using the csh(1csh).

     escape [ escape-char ]
          Set the telnet escape character.  Control characters
          may be specified as ^x where the single letter x is the
          control letter;  for example, control-P is ^P.

     status
          Show the current status of telnet.  This includes the
          peer one is connected to, as well as the state of
          debugging.

     options
          Toggle viewing of TELNET options processing.  When
          options viewing is enabled, all TELNET option



Printed 10/17/86                                                1

TELNET(1N)              COMMAND REFERENCE              TELNET(1N)



          negotiations will be displayed.  Options sent by telnet
          are displayed as SENT, while options received from the
          TELNET server are displayed as RCVD.

     crmod
          Toggle carriage return mode.  When this mode is enabled
          any carriage return characters received from the remote
          host will be mapped into a carriage return and a
          linefeed.  This mode does not affect those characters
          typed by the user, only those received.  This mode is
          not very useful, but is required for some hosts that
          like to ask the user to do local echoing.

     flow Toggle local flow control mode.  Normally XON-XOFF
          processing is done locally due to prevent problems with
          network delays.

     debug
          Toggle kernel socket debugging. If turned on the kernel
          stores TCP transcaction records that can be viewed with
          trpt(8).

     ayt  Send an TELNET Are You There command to the remote.
          The response is up to the remote host; UTek telnet
          server just beeps back.

     interrupt
          Send the TELNET Interrupt Process command to the
          remote.

     passthru
          Send the current escape character to the remote.

     ? [ command ]
          Get help.  With no arguments, telnet prints a help
          summary.  If a command is specified, telnet will print
          the help information available about the command only.

CAVEATS
     This implementation is very simple because rlogin(1n) is the
     standard mechanism used to communicate locally with hosts.

SEE ALSO
     csh(1csh), rlogin(1n), hosts(5n).











Printed 10/17/86                                                2

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