# 2.11BSD#431 - /usr/man/cat1/tip.0

    TIP(1C)             UNIX Programmer's Manual		  TIP(1C)

    NAME
         tip, cu - connect to a remote system

    SYNOPSIS
         tip [ -v ] [ -speed ] system-name
         tip [ -v ] [ -speed ] phone-number
         cu phone-number [ -t ] [ -s speed ] [  -a acu ] [ -l line ]
         [ -# ]

    DESCRIPTION
         Tip and cu establish a full-duplex connection to another
         machine, giving the appearance of being logged in directly
         on the remote cpu.  It goes without saying that you must
         have a login on the machine (or equivalent) to which you
         wish to connect.  The preferred interface is tip.	The cu
         interface is included for those people attached to the
         ``call UNIX'' command of version 7.  This manual page
         describes only tip.

         Typed characters are normally transmitted directly to the
         remote machine (which does the echoing as well).  A tilde
         (`~') appearing as the first character of a line is an
         escape signal; the following are recognized:

         ~^D ~.    Drop the connection and exit (you may still be
    	       logged in on the remote machine).

         ~c  [name]
    	       Change directory to name (no argument implies
    	       change to your home directory).

         ~!        Escape to a shell (exiting the shell will return
    	       you to tip).

         ~>        Copy file from local to remote.	Tip prompts for
    	       the name of a local file to transmit.

         ~<        Copy file from remote to local.	Tip prompts first
    	       for the name of the file to be sent, then for a
    	       command to be executed on the remote machine.

         ~p from [ to ]
    	       Send a file to a remote UNIX host.  The put com-
    	       mand causes the remote UNIX system to run the com-
    	       mand string ``cat > 'to''', while tip sends it the
    	       ``from'' file.  If the ``to'' file isn't specified
    	       the ``from'' file name is used.	This command is
    	       actually a UNIX specific version of the ``~>''
    	       command.

         ~t from [ to ]
    	       Take a file from a remote UNIX host. As in the put

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    TIP(1C)             UNIX Programmer's Manual		  TIP(1C)

    	       command the ``to'' file defaults to the ``from''
    	       file name if it isn't specified. The remote host
    	       executes the command string ``cat 'from';echo ^A''
    	       to send the file to tip.

         ~|        Pipe the output from a remote command to a local
    	       UNIX process.  The command string sent to the
    	       local UNIX system is processed by the shell.

         ~$        Pipe the output from a local UNIX process to the
    	       remote host.  The command string sent to the local
    	       UNIX system is processed by the shell.

         ~#        Send a BREAK to the remote system. For systems
    	       which don't support the necessary ioctl call the
    	       break is simulated by a sequence of line speed
    	       changes and DEL characters.

         ~s        Set a variable (see the discussion below).

         ~^Z       Stop tip (only available with job control).

         ~^Y       Stop only the ``local side'' of tip (only avail-
    	       able with job control); the ``remote side'' of
    	       tip, the side that displays output from the remote
    	       host, is left running.

         ~?        Get a summary of the tilde escapes

         Tip uses the file /etc/remote to find how to reach a partic-
         ular system and to find out how it should operate while
         talking to the system; refer to remote(5) for a full
         description.  Each system has a default baud rate with which
         to establish a connection.  If this value is not suitable,
         the baud rate to be used may be specified on the command
         line, e.g. ``tip -300 mds''.

         When tip establishes a connection it sends out a connection
         message to the remote system; the default value, if any, is
         defined in /etc/remote.

         When tip prompts for an argument (e.g. during setup of a
         file transfer) the line typed may be edited with the stan-
         dard erase and kill characters.  A null line in response to
         a prompt, or an interrupt, will abort the dialogue and
         return you to the remote machine.

         Tip guards against multiple users connecting to a remote
         system by opening modems and terminal lines with exclusive
         access, and by honoring the locking protocol used by
         uucp(1C).

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    TIP(1C)             UNIX Programmer's Manual		  TIP(1C)

         During file transfers tip provides a running count of the
         number of lines transferred.  When using the ~> and ~< com-
         mands, the ``eofread'' and ``eofwrite'' variables are used
         to recognize end-of-file when reading, and specify end-of-
         file when writing (see below).  File transfers normally
         depend on tandem mode for flow control.  If the remote sys-
         tem does not support tandem mode, ``echocheck'' may be set
         to indicate tip should synchronize with the remote system on
         the echo of each transmitted character.

         When tip must dial a phone number to connect to a system it
         will print various messages indicating its actions.  Tip
         supports the DEC DN-11 and Racal-Vadic 831 auto-call-units;
         the DEC DF02 and DF03, Ventel 212+, Racal-Vadic 3451, and
         Bizcomp 1031 and 1032 integral call unit/modems.

         VARIABLES

         Tip maintains a set of variables which control its opera-
         tion.  Some of these variable are read-only to normal users
         (root is allowed to change anything of interest).	Variables
         may be displayed and set through the ``s'' escape.  The syn-
         tax for variables is patterned after vi(1) and Mail(1).
         Supplying ``all'' as an argument to the set command displays
         all variables readable by the user.  Alternatively, the user
         may request display of a particular variable by attaching a
         `?' to the end.  For example ``escape?'' displays the
         current escape character.

         Variables are numeric, string, character, or boolean values.
         Boolean variables are set merely by specifying their name;
         they may be reset by prepending a `!' to the name.  Other
         variable types are set by concatenating an `=' and the
         value.  The entire assignment must not have any blanks in
         it.  A single set command may be used to interrogate as well
         as set a number of variables.  Variables may be initialized
         at run time by placing set commands (without the ``~s'' pre-
         fix in a file .tiprc in one's home directory).  The -v
         option causes tip to display the sets as they are made.
         Certain common variables have abbreviations. The following
         is a list of common variables, their abbreviations, and
         their default values.

         beautify
    	  (bool) Discard unprintable characters when a session is
    	  being scripted; abbreviated be.

         baudrate
    	  (num) The baud rate at which the connection was esta-
    	  blished; abbreviated ba.

         dialtimeout

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    TIP(1C)             UNIX Programmer's Manual		  TIP(1C)

    	  (num) When dialing a phone number, the time (in
    	  seconds) to wait for a connection to be established;
    	  abbreviated dial.

         echocheck
    	  (bool) Synchronize with the remote host during file
    	  transfer by waiting for the echo of the last character
    	  transmitted; default is off.

         eofread
    	  (str) The set of characters which signify and end-of-
    	  tranmission during a ~< file transfer command; abbrevi-
    	  ated eofr.

         eofwrite
    	  (str) The string sent to indicate end-of-transmission
    	  during a ~> file transfer command; abbreviated eofw.

         eol
    	  (str) The set of characters which indicate an end-of-
    	  line.  Tip will recognize escape characters only after
    	  an end-of-line.

         escape
    	  (char) The command prefix (escape) character; abbrevi-
    	  ated es; default value is `~'.

         exceptions
    	  (str) The set of characters which should not be dis-
    	  carded due to the beautification switch; abbreviated
    	  ex; default value is ``\t\n\f\b''.

         force
    	  (char) The character used to force literal data
    	  transmission; abbreviated fo; default value is `^P'.

         framesize
    	  (num) The amount of data (in bytes) to buffer between
    	  file system writes when receiving files; abbreviated
    	  fr.

         host
    	  (str) The name of the host to which you are connected;
    	  abbreviated ho.

         prompt
    	  (char) The character which indicates and end-of-line on
    	  the remote host; abbreviated pr; default value is `\n'.
    	  This value is used to synchronize during data
    	  transfers.  The count of lines transferred during a
    	  file transfer command is based on recipt of this char-
    	  acter.

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    TIP(1C)             UNIX Programmer's Manual		  TIP(1C)

         raise
    	  (bool) Upper case mapping mode; abbreviated ra; default
    	  value is off.  When this mode is enabled, all lower
    	  case letters will be mapped to upper case by tip for
    	  transmission to the remote machine.

         raisechar
    	  (char) The input character used to toggle upper case
    	  mapping mode; abbreviated rc; default value is `^A'.

         record
    	  (str) The name of the file in which a session script is
    	  recorded; abbreviated rec; default value is
    	  ``tip.record''.

         script
    	  (bool) Session scripting mode; abbreviated sc; default
    	  is off.  When script is true, tip will record every-
    	  thing transmitted by the remote machine in the script
    	  record file specified in record.  If the beautify
    	  switch is on, only printable ASCII characters will be
    	  included in the script file (those characters betwee
    	  040 and 0177).  The variable exceptions is used to
    	  indicate characters which are an exception to the nor-
    	  mal beautification rules.

         tabexpand
    	  (bool) Expand tabs to spaces during file transfers;
    	  abbreviated tab; default value is false.  Each tab is
    	  expanded to 8 spaces.

         verbose
    	  (bool) Verbose mode; abbreviated verb; default is true.
    	  When verbose mode is enabled, tip prints messages while
    	  dialing, shows the current number of lines transferred
    	  during a file transfer operations, and more.

         SHELL
    	  (str) The name of the shell to use for the ~! command;
    	  default value is ``/bin/sh'', or taken from the
    	  environment.

         HOME
    	  (str) The home directory to use for the ~c command;
    	  default value is taken from the environment.

    FILES
         /etc/remote	      global system descriptions
         /etc/phones	      global phone number data base
         ${REMOTE}		      private system descriptions
         ${PHONES}		      private phone numbers
         ~/.tiprc		      initialization file.

    Printed 11/26/99	   May 5, 1986				5

    TIP(1C)             UNIX Programmer's Manual		  TIP(1C)

         /usr/spool/uucp/LCK..*   lock file to avoid conflicts with uucp

    DIAGNOSTICS
         Diagnostics are, hopefully, self explanatory.

    SEE ALSO
         remote(5), phones(5)

    BUGS
         The full set of variables is undocumented and should, prob-
         ably, be paired down.

    Printed 11/26/99	   May 5, 1986				6

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