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    The following form allows you to view linux man pages.

    Command:

    kibitz

    
    
    

    SYNOPSIS

           kibitz [ kibitz-args ] user [ program program-args...  ]
           kibitz [ kibitz-args ] user@host [ program program-args...  ]
    
    
    

    INTRODUCTION

           kibitz  allows  two (or more) people to interact with one shell (or any
           arbitrary program).  Uses include:
    
                  ?   A novice user can ask an expert user for help.   Using  kib-
                      itz,  the  expert  can see what the user is doing, and offer
                      advice or show how to do it right.
    
                  ?   By running kibitz and then starting  a  full-screen  editor,
                      people  may  carry out a conversation, retaining the ability
                      to scroll backwards, save the entire conversation,  or  even
                      edit it while in progress.
    
                  ?   People  can  team  up  on  games, document editing, or other
                      cooperative tasks where each person has strengths and  weak-
                      nesses that complement one another.
    
    
    

    USAGE

           To  start  kibitz,  user1  runs kibitz with the argument of the user to
           kibitz.  For example:
    
                kibitz user2
    
           kibitz starts a new shell (or another program, if given on the  command
           line),  while  prompting  user2 to run kibitz.  If user2 runs kibitz as
           directed, the keystrokes of both users become the input of  the  shell.
           Similarly, both users receive the output from the shell.
    
           To  terminate  kibitz  it  suffices to terminate the shell itself.  For
           example, if either user types ^D (and the  shell  accepts  this  to  be
           EOF), the shell terminates followed by kibitz.
    
           Normally,  all  characters  are  passed uninterpreted.  However, if the
           escape character (described when kibitz starts) is issued, the user may
           talk  directly to the kibitz interpreter.  Any Expect(1) or Tcl(3) com-
           mands may be given.  Also, job control may be used while in the  inter-
           preter, to, for example, suspend or restart kibitz.
    
           Various  processes  can  provide various effects.  For example, you can
           emulate a two-way write(1) session with the command:
    
                kibitz user2 sleep 1000000
    
    
    

    ARGUMENTS

           kibitz takes arguments, these should also be separated by whitespace.
    
           The -noproc flag runs kibitz with no  process  underneath.   Characters
           are  passed  to the other kibitz.  This is particularly useful for con-
           rlogin to the remote computer with  your  current  username.  The  flag
           -proxy  username  causes  rlogin  to  use username for the remote login
           (e.g. if your account on the remote computer has a different username).
           If the -proxy flag is not given, kibitz tries to determine your current
           username by (in that order) inspecting the environment  variables  USER
           and LOGNAME, then by using the commands whoami and logname.
    
           The  arguments  -noescape  and  -escape can also be given by user2 when
           prompted to run kibitz.
    
    
    

    MORE THAN TWO USERS

           The current implementation of kibitz explicitly  understands  only  two
           users,  however,  it  is nonetheless possible to have a three (or more)
           -way kibitz, by kibitzing another kibitz.  For example,  the  following
           command runs kibitz with the current user, user2, and user3:
    
                % kibitz user2 kibitz user3
    
           Additional  users  may  be added by simply appending more "kibitz user"
           commands.
    
           The xkibitz script is similar to kibitz but supports the ability to add
           additional users (and drop them) dynamically.
    
    
    

    CAVEATS

           kibitz  assumes the 2nd user has the same terminal type and size as the
           1st user.  If this assumption is incorrect, graphical programs may dis-
           play oddly.
    
           kibitz  handles  character graphics, but cannot handle bitmapped graph-
           ics.  Thus,
    
                % xterm -e kibitz    will work
                % kibitz xterm       will not work
    
           However, you can get the effect of the latter command by using  xkibitz
           (see  SEE  ALSO  below).   kibitz  uses the same permissions as used by
           rlogin, rsh, etc.  Thus, you can only kibitz  to  users  at  hosts  for
           which  you can rlogin.  Similarly, kibitz will prompt for a password on
           the remote host if rlogin would.
    
           If you kibitz to users at remote hosts,  kibitz  needs  to  distinguish
           your  prompt from other things that may precede it during login.  (Ide-
           ally, the end of it is preferred but any part should suffice.)  If  you
           have  an  unusual prompt, set the environment variable EXPECT_PROMPT to
           an egrep(1)-style regular expression.  Brackets should be preceded with
           one  backslash  in  ranges, and three backslashes for literal brackets.
           The default prompt r.e. is "($|%|#) ".
    
           kibitz requires the kibitz program  on  both  hosts.   kibitz  requires
           expect(1).
    
    
    

    ENVIRONMENT

           The environment variable SHELL is used to determine the shell to start,
           if no other program is given on the command line.
    
           If the environment variable EXPECT_PROMPT exists, it is taken as a reg-
           ular expression which matches the end of your login  prompt  (but  does
           not otherwise occur while logging in). See also CAVEATS above.
    
           If the environment variables USER or LOGNAME are defined, they are used
           to determine the current user name for a kibitz to a  remote  computer.
           See description of the -proxy option in ARGUMENTS above.
    
    
    

    SEE ALSO

           Tcl(3), libexpect(3), xkibitz(1)
           "Exploring  Expect: A Tcl-Based Toolkit for Automating Interactive Pro-
           grams" by Don Libes, O'Reilly and Associates, January 1995.
           "Kibitz - Connecting Multiple Interactive Programs  Together",  by  Don
           Libes,  Software  - Practice & Experience, John Wiley & Sons, West Sus-
           sex, England, Vol. 23, No. 5, May, 1993.
    
    
    

    AUTHOR

           Don Libes, National Institute of Standards and Technology
    
           kibitz is in the public domain.  NIST and I would appreciate credit  if
           this program or parts of it are used.
    
                                    19 October 1994                      KIBITZ(1)
    
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