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110 lines
3.5 KiB
Groff
110 lines
3.5 KiB
Groff
.\" Copyright (c) 1989, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Jef Poskanzer and Craig Leres of the Lawrence Berkeley Laboratory.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)write.1 8.1 (Berkeley) 6/6/93
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.\" $FreeBSD$
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.\"
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.Dd February 13, 2012
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.Dt WRITE 1
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.Os
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.Sh NAME
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.Nm write
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.Nd send a message to another user
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.Sh SYNOPSIS
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.Nm
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.Ar user
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.Op Ar tty
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.Sh DESCRIPTION
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The
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.Nm
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utility allows you to communicate with other users, by copying lines from
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your terminal to theirs.
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.Pp
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When you run the
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.Nm
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command, the user you are writing to gets a message of the form:
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.Pp
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.Dl Message from yourname@yourhost on yourtty at hh:mm ...
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.Pp
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Any further lines you enter will be copied to the specified user's
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terminal.
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If the other user wants to reply, they must run
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.Nm
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as well.
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.Pp
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When you are done, type an end-of-file or interrupt character.
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The other user will see the message
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.Ql EOF
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indicating that the
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conversation is over.
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.Pp
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You can prevent people (other than the super-user) from writing to you
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with the
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.Xr mesg 1
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command.
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.Pp
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If the user you want to write to is logged in on more than one terminal,
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you can specify which terminal to write to by specifying the terminal
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name as the second operand to the
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.Nm
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command.
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Alternatively, you can let
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.Nm
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select one of the terminals \- it will pick the one with the shortest
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idle time.
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This is so that if the user is logged in at work and also dialed up from
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home, the message will go to the right place.
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.Pp
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The traditional protocol for writing to someone is that the string
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.Ql \-o ,
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either at the end of a line or on a line by itself, means that it is the
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other person's turn to talk.
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The string
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.Ql oo
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means that the person believes the conversation to be
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over.
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.Sh SEE ALSO
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.Xr mesg 1 ,
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.Xr talk 1 ,
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.Xr wall 1 ,
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.Xr who 1
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.Sh HISTORY
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A
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.Nm
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command appeared in
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.At v1 .
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.Sh BUGS
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The sender's
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.Ev LC_CTYPE
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setting is used to determine which characters are safe to write to a
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terminal, not the receiver's (which
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.Nm
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has no way of knowing).
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