diff options
Diffstat (limited to 'remote_cmds/talk.tproj/talk.1')
| -rw-r--r-- | remote_cmds/talk.tproj/talk.1 | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/remote_cmds/talk.tproj/talk.1 b/remote_cmds/talk.tproj/talk.1 new file mode 100644 index 0000000..bf105bb --- /dev/null +++ b/remote_cmds/talk.tproj/talk.1 @@ -0,0 +1,172 @@ +.\" Copyright (c) 1983, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)talk.1 8.1 (Berkeley) 6/6/93 +.\" $FreeBSD: src/usr.bin/talk/talk.1,v 1.20 2005/02/13 22:25:24 ru Exp $ +.\" +.Dd August 21, 2008 +.Dt TALK 1 +.Os +.Sh NAME +.Nm talk +.Nd talk to another user +.Sh SYNOPSIS +.Nm +.Ar person +.Op Ar ttyname +.Sh DESCRIPTION +The +.Nm +utility is a visual communication program which copies lines from your +terminal to that of another user. +.Pp +Options available: +.Bl -tag -width ttyname +.It Ar person +If you wish to talk to someone on your own machine, then +.Ar person +is just the person's login name. +If you wish to talk to a user on +another host, then +.Ar person +is of the form +.Ql user@host +or +.Ql host!user +or +.Ql host:user . +.It Ar ttyname +If you wish to talk to a user who is logged in more than once, the +.Ar ttyname +argument may be used to indicate the appropriate terminal +name, where +.Ar ttyname +is of the form +.Ql ttyXX . +.El +.Pp +When first called, +.Nm +sends the message +.Bd -literal -offset indent -compact +Message from TalkDaemon@his_machine... +talk: connection requested by your_name@your_machine. +talk: respond with: talk your_name@your_machine +.Ed +.Pp +to the user you wish to talk to. +At this point, the recipient +of the message should reply by typing +.Pp +.Dl talk \ your_name@your_machine +.Pp +It does not 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 control-L +.Ql ^L +will cause the screen to +be reprinted. +Typing control-D +.Ql ^D +will clear both parts of your screen to be cleared, while +the control-D character will be sent to the remote side +(and just displayed by this +.Nm +client). +Your erase, kill, and word kill characters will +behave normally. +To exit, just type your interrupt character; +.Nm +then moves the cursor to the bottom of the screen and restores the +terminal to its previous state. +.Pp +Permission to talk may be denied or granted by use of the +.Xr mesg 1 +command. +At the outset talking is allowed. +.Sh CONFIGURATION +The +.Nm +utility relies on the +.Nm talkd +system daemon. See +.Xr talkd 8 +for information about enabling +.Nm talkd . +.Sh FILES +.Bl -tag -width /var/run/utmpx -compact +.It Pa /etc/hosts +to find the recipient's machine +.It Pa /var/run/utmpx +to find the recipient's tty +.El +.Sh SEE ALSO +.Xr mail 1 , +.Xr mesg 1 , +.Xr wall 1 , +.Xr who 1 , +.Xr write 1 , +.Xr talkd 8 +.Sh HISTORY +The +.Nm +command appeared in +.Bx 4.2 . +.Pp +In +.Fx 5.3 , +the default behaviour of +.Nm +was changed to treat local-to-local talk requests as originating +and terminating at +.Em localhost . +Before this change, it was required that the hostname (as per +.Xr gethostname 3 ) +resolved to a valid IPv4 address (via +.Xr gethostbyname 3 ) , +making +.Nm +unsuitable for use in configurations where +.Xr talkd 8 +was bound to the loopback interface (normally for security reasons). +.Sh BUGS +The version of +.Nm +released with +.Bx 4.3 +uses a protocol that +is incompatible with the protocol used in the version released with +.Bx 4.2 . +.Pp +Multibyte characters are not recognized. |