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

    TALK(1)             UNIX Programmer's Manual		  TALK(1)

    NAME
         talk - talk to another user

    SYNOPSIS
         talk person [ ttyname ]

    DESCRIPTION
         Talk is a visual communication program which copies lines
         from your terminal to that of another user.

         If you wish to talk to someone on you own machine, then per-
         son is just the person's login name. If you wish to talk to
         a user on another host, then person is of the form :

    			 host!user  or
    			 host.user  or
    			 host:user  or
    			 user@host

         though host@user is perhaps preferred.

         If you want to talk to a user who is logged in more than
         once, the ttyname argument may be used to indicate the
         appropriate terminal name.

         When first called, it sends the message

    	  Message from TalkDaemon@his_machine...
    	  talk: connection requested by your_name@your_machine.
    	  talk: respond with: talk your_name@your_machine

         to the user you wish to talk to. At this point, the reci-
         pient of the message should reply by typing

    	  talk	your_name@your_machine

         It doesn't matter from which machine the recipient replies,
         as long as his login-name is the same.  Once communication
         is established, the two parties may type simultaneously,
         with their output appearing in separate windows. Typing con-
         trol L will cause the screen to be reprinted, while your
         erase, kill, and word kill characters will work in talk as
         normal.  To exit, just type your interrupt character; talk
         then moves the cursor to the bottom of the screen and
         restores the terminal.

         Permission to talk may be denied or granted by use of the
         mesg command.  At the outset talking is allowed.  Certain
         commands, in particular nroff and pr(1) disallow messages in
         order to prevent messy output.

    Printed 11/26/99	November 27, 1996			1

    TALK(1)             UNIX Programmer's Manual		  TALK(1)

    FILES
         /etc/hosts     to find the recipient's machine
         /var/run/utmp  to find the recipient's tty

    SEE ALSO
         mesg(1), who(1), mail(1), write(1)

    BUGS
         The version of talk(1) released with 4.3BSD uses a protocol
         that is incompatible with the protocol used in the version
         released with 4.2BSD.

    Printed 11/26/99	November 27, 1996			2

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