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



NAME
     telnet - user interface to the TELNET protocol

SYNOPSIS
     telnet [ -b ] [ host[port]]

DESCRIPTION
     Communicate with another host using the TELNET protocol
     telnet . 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.  If
     telnet is invoked with arguments, it performs an open
     command with those arguments.

     The -b option causes telnet to negotiate binary transfers
     for both input and output; this occurs only after connecting
     to the remote host.

     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 Ctrl ] (control right bracket).
     When in command mode, the normal terminal editing
     conventions are available.

     The following commands are available; you need only type
     enough of each command to uniquely identify it.

     open host [ port ]
             Open a connection to the named host.  If the no-port
             number is specified, telnet attempts 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 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, Ctrl 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.




Printed 4/6/89                                                  1

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



     options Toggle viewing of TELNET options processing.  When
             options viewing is enabled, all TELNET option
             negotiations are 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 are 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 to prevent problems with
             network delays.

     binary  Toggle binary mode for transmission and reception.
             In binary mode, no input or output processing is
             done on the character stream.

     rcvbinary
             Toggle binary mode for reception. In binary mode, no
             processing is done on the input character stream.

     sendbinary
             Toggle binary mode for transmission. In binary mode,
             no processing is done on the output stream.

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

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

     interrupt
             Send the TELNET Interrupt Process command to the
             remote host.

     passthru
             Send the current escape character to the remote
             host.

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



Printed 4/6/89                                                  2

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



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), and hosts(5N).

















































Printed 4/6/89                                                  3

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