1.\" Copyright (c) 1983, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)talk.1 8.1 (Berkeley) 6/6/93 33.\" $FreeBSD$ 34.\" 35.Dd June 6, 1993 36.Dt TALK 1 37.Os 38.Sh NAME 39.Nm talk 40.Nd talk to another user 41.Sh SYNOPSIS 42.Nm 43.Ar person 44.Op Ar ttyname 45.Sh DESCRIPTION 46The 47.Nm 48utility is a visual communication program which copies lines from your 49terminal to that of another user. 50.Pp 51Options available: 52.Bl -tag -width ttyname 53.It Ar person 54If you wish to talk to someone on your own machine, then 55.Ar person 56is just the person's login name. If you wish to talk to a user on 57another host, then 58.Ar person 59is of the form 60.Ql user@host 61or 62.Ql host!user 63or 64.Ql host:user . 65.It Ar ttyname 66If you wish to talk to a user who is logged in more than once, the 67.Ar ttyname 68argument may be used to indicate the appropriate terminal 69name, where 70.Ar ttyname 71is of the form 72.Ql ttyXX . 73.El 74.Pp 75When first called, 76.Nm 77sends the message 78.Bd -literal -offset indent -compact 79Message from TalkDaemon@his_machine... 80talk: connection requested by your_name@your_machine. 81talk: respond with: talk your_name@your_machine 82.Ed 83.Pp 84to the user you wish to talk to. 85At this point, the recipient 86of the message should reply by typing 87.Pp 88.Dl talk \ your_name@your_machine 89.Pp 90It doesn't matter from which machine the recipient replies, as 91long as his login-name is the same. Once communication is established, 92the two parties may type simultaneously, with their output appearing 93in separate windows. Typing control-L 94.Ql ^L 95will cause the screen to 96be reprinted, while your erase, kill, and word kill characters will 97behave normally. To exit, just type your interrupt character; 98.Nm 99then moves the cursor to the bottom of the screen and restores the 100terminal to its previous state. 101.Pp 102Permission to talk may be denied or granted by use of the 103.Xr mesg 1 104command. At the outset talking is allowed. 105.Sh FILES 106.Bl -tag -width /var/run/utmp -compact 107.It Pa /etc/hosts 108to find the recipient's machine 109.It Pa /var/run/utmp 110to find the recipient's tty 111.El 112.Sh SEE ALSO 113.Xr mail 1 , 114.Xr mesg 1 , 115.Xr wall 1 , 116.Xr who 1 , 117.Xr write 1 118.Sh BUGS 119The version of 120.Xr talk 1 121released with 122.Bx 4.3 123uses a protocol that 124is incompatible with the protocol used in the version released with 125.Bx 4.2 . 126.Sh HISTORY 127The 128.Nm 129command appeared in 130.Bx 4.2 . 131