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Annotation of src/usr.bin/write/write.1, Revision 1.1

1.1     ! deraadt     1: .\" Copyright (c) 1989, 1993
        !             2: .\"    The Regents of the University of California.  All rights reserved.
        !             3: .\"
        !             4: .\" This code is derived from software contributed to Berkeley by
        !             5: .\" Jef Poskanzer and Craig Leres of the Lawrence Berkeley Laboratory.
        !             6: .\"
        !             7: .\" Redistribution and use in source and binary forms, with or without
        !             8: .\" modification, are permitted provided that the following conditions
        !             9: .\" are met:
        !            10: .\" 1. Redistributions of source code must retain the above copyright
        !            11: .\"    notice, this list of conditions and the following disclaimer.
        !            12: .\" 2. Redistributions in binary form must reproduce the above copyright
        !            13: .\"    notice, this list of conditions and the following disclaimer in the
        !            14: .\"    documentation and/or other materials provided with the distribution.
        !            15: .\" 3. All advertising materials mentioning features or use of this software
        !            16: .\"    must display the following acknowledgement:
        !            17: .\"    This product includes software developed by the University of
        !            18: .\"    California, Berkeley and its contributors.
        !            19: .\" 4. Neither the name of the University nor the names of its contributors
        !            20: .\"    may be used to endorse or promote products derived from this software
        !            21: .\"    without specific prior written permission.
        !            22: .\"
        !            23: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26: .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33: .\" SUCH DAMAGE.
        !            34: .\"
        !            35: .\"     from: @(#)write.1      8.1 (Berkeley) 6/6/93
        !            36: .\"    $Id: write.1,v 1.3 1994/09/19 08:18:23 mycroft Exp $
        !            37: .\"
        !            38: .Dd June 6, 1993
        !            39: .Dt WRITE 1
        !            40: .Os
        !            41: .Sh NAME
        !            42: .Nm write
        !            43: .Nd send a message to another user
        !            44: .Sh SYNOPSIS
        !            45: .Nm write
        !            46: .Ar user
        !            47: .Op Ar ttyname
        !            48: .Sh DESCRIPTION
        !            49: .Nm Write
        !            50: allows you to communicate with other users, by copying lines from
        !            51: your terminal to theirs.
        !            52: .Pp
        !            53: When you run the
        !            54: .Nm write
        !            55: command, the user you are writing to gets a message of the form:
        !            56: .Pp
        !            57: .Dl Message from yourname@yourhost on yourtty at hh:mm ...
        !            58: .Pp
        !            59: Any further lines you enter will be copied to the specified user's
        !            60: terminal.
        !            61: If the other user wants to reply, they must run
        !            62: .Nm write
        !            63: as well.
        !            64: .Pp
        !            65: When you are done, type an end-of-file or interrupt character.
        !            66: The other user will see the message
        !            67: .Ql EOF
        !            68: indicating that the
        !            69: conversation is over.
        !            70: .Pp
        !            71: You can prevent people (other than the super-user) from writing to you
        !            72: with the
        !            73: .Xr mesg 1
        !            74: command.
        !            75: Some commands, for example
        !            76: .Xr nroff 1
        !            77: and
        !            78: .Xr pr 1 ,
        !            79: disallow writing automatically, so that your output isn't overwritten.
        !            80: .Pp
        !            81: If the user you want to write to is logged in on more than one terminal,
        !            82: you can specify which terminal to write to by specifying the terminal
        !            83: name as the second operand to the
        !            84: .Nm write
        !            85: command.
        !            86: Alternatively, you can let
        !            87: .Nm write
        !            88: select one of the terminals \- it will pick the one with the shortest
        !            89: idle time.
        !            90: This is so that if the user is logged in at work and also dialed up from
        !            91: home, the message will go to the right place.
        !            92: .Pp
        !            93: The traditional protocol for writing to someone is that the string
        !            94: .Ql \-o ,
        !            95: either at the end of a line or on a line by itself, means that it's the
        !            96: other person's turn to talk.
        !            97: The string
        !            98: .Ql oo
        !            99: means that the person believes the conversation to be
        !           100: over.
        !           101: .Sh SEE ALSO
        !           102: .Xr mesg 1 ,
        !           103: .Xr talk 1 ,
        !           104: .Xr who 1
        !           105: .Sh HISTORY
        !           106: A
        !           107: .Nm
        !           108: command appeared in
        !           109: .At v6 .