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Plan 9 - man page for con (plan9 section 1)

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CON(1)											   CON(1)

       con, telnet, cu, rx, xms, xmr - remote login, execution, and XMODEM file transfer

       con [ -dCrvs ] [ -l [ remuser ] ] [ -c cmd ] [net!]machine

       telnet [ -dCrn ] [net!]machine

       cu number

       rx [ -n ] [net!]machine [ command-word ...  ]

       xms file

       xmr file

       Con connects to the computer whose network address is net!machine and logs in if possible.
       With no options, the account name used on the remote system is the same	as  that  on  the
       local system.  Standard input and output go to the local machine.

       Options are:

       -l     with  an	argument causes remuser to be used as the account name on the remote sys-
	      tem.  Without an argument this option disables automatic login and a  normal  login
	      session ensues.

       -C     forces cooked mode, that is, local echo.

       -c     runs  cmd  as if it had been typed as a command from the escape mode.  This is used
	      by cu.

       -v     (verbose mode) causes information about connection attempts to be output	to  stan-
	      dard error.  This can be useful when trying to debug network connectivity.

       -d     causes debugging information to be output to standard error.

       -r     suppresses  printing of any carriage return followed by a new line.  This is useful
	      since carriage return is a printable character in Plan 9.

       -s     strips received characters to 7 bits to forestall misinterpretation of  ASCII  with
	      parity as UTF.

       The  control-\  character  is  a local escape.  It prompts with the local machine name and
       >>>.  Legitimate responses to the prompt are

       i      Send a quit [sic] signal to the remote machine.

       q      Exit.

       b      Send a break.

       .      Return from the escape.

       !cmd   Run the command with the network connection as its standard input and standard out-
	      put.   Standard  error  will go to the screen.  This is useful for transmitting and
	      receiving files over the connections using programs such as xms.

       Telnet is similar to con, but uses the telnet protocol  to  communicate	with  the  remote
       machine.   If  standard input is a file or a pipe, the -n option causes telnet not to hang
       up the connection when it receives EOF on its standard input; instead  it  waits  for  the
       remote end to hang up.  It shares con's -C, -d, and -r options.

       Cu  is  a shell script that uses telco(4) and con to connect to a machine via a modem.  If
       the machine is equipped with a local modem, it is used.	Otherwise,  the  call  is  placed
       through Datakit.

       Rx  executes one shell command on the remote machine as if logged in there, but with local
       standard input and output.  A rudimentary shell environment is provided.  If the target is
       a Plan 9 machine, $service there will be rx.

       Network	addresses  for both con and rx have the form network!machine.  Supported networks
       are those listed in /net.

       The commands xms and xmr respectively send and receive a single file using the XMODEM pro-
       tocol.  They use standard input and standard output for communication and are intended for
       use with con.

       rx kremvax cat file1 >file2
	      Copy remote file1 to local file2.

       rx kremvax cat file1 '>file2'
	      Copy remote file1 to remote file2.

       eqn paper | rx kremvax troff -ms | rx deepthought lp
	      Parallel processing: do each stage of a pipeline on a different machine.

	      for con, xms, and xmr.

	      for telnet.


       Under rx, a program that should behave specially towards terminals may not:  e.g.,  remote
       shells  will not prompt.  Also under rx, the remote standard error and standard output are
       combined and go inseparably to the local standard output.

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