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1 | .\" Copyright (c) 1989, 1993 |
2 | .\" The Regents of the University of California. All rights reserved. | |
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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 | |
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32 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
33 | .\" SUCH DAMAGE. | |
34 | .\" | |
726f69e2 | 35 | .\" @(#)write.1 8.1 (Berkeley) 6/6/93 |
6dbe3af9 | 36 | .\" |
232dc924 | 37 | .TH WRITE 1 "March 1995" "util-linux" "User Commands" |
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38 | .SH NAME |
39 | write \- send a message to another user | |
40 | .SH SYNOPSIS | |
19046308 PB |
41 | .B write |
42 | .I user | |
43 | .RI [ ttyname ] | |
726f69e2 | 44 | .SH DESCRIPTION |
6e72fa59 | 45 | .B write |
6dbe3af9 KZ |
46 | allows you to communicate with other users, by copying lines from |
47 | your terminal to theirs. | |
726f69e2 | 48 | .PP |
6dbe3af9 | 49 | When you run the |
726f69e2 | 50 | .B write |
6dbe3af9 | 51 | command, the user you are writing to gets a message of the form: |
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52 | .PP |
53 | .RS | |
54 | Message from yourname@yourhost on yourtty at hh:mm ... | |
55 | .RE | |
56 | .PP | |
6dbe3af9 | 57 | Any further lines you enter will be copied to the specified user's |
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58 | terminal. If the other user wants to reply, they must run |
59 | .B write | |
6dbe3af9 | 60 | as well. |
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61 | .PP |
62 | When you are done, type an end-of-file or interrupt character. The other | |
63 | user will see the message | |
64 | .B EOF | |
65 | indicating that the conversation is over. | |
66 | .PP | |
bb3e5808 | 67 | You can prevent people (other than the superuser) from writing to you with |
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68 | the |
69 | .BR mesg (1) | |
70 | command. Some commands, for example | |
71 | .BR nroff (1) | |
6dbe3af9 | 72 | and |
726f69e2 | 73 | .BR pr (1), |
6e72fa59 BS |
74 | may automatically disallow writing, so that the output they produce |
75 | isn't overwritten. | |
726f69e2 | 76 | .PP |
6dbe3af9 | 77 | If the user you want to write to is logged in on more than one terminal, |
6e72fa59 | 78 | you can specify which terminal to write to by giving the terminal |
6dbe3af9 | 79 | name as the second operand to the |
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80 | .B write |
81 | command. Alternatively, you can let | |
82 | .B write | |
83 | select one of the terminals \- it will pick the one with the shortest idle | |
84 | time. This is so that if the user is logged in at work and also dialed up | |
85 | from home, the message will go to the right place. | |
86 | .PP | |
87 | The traditional protocol for writing to someone is that the string `\-o', | |
6dbe3af9 | 88 | either at the end of a line or on a line by itself, means that it's the |
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89 | other person's turn to talk. The string `oo' means that the person |
90 | believes the conversation to be over. | |
91 | .SH "SEE ALSO" | |
92 | .BR mesg (1), | |
93 | .BR talk (1), | |
94 | .BR who (1) | |
95 | .SH HISTORY | |
6dbe3af9 | 96 | A |
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97 | .B write |
98 | command appeared in Version 6 AT&T UNIX. | |
86d62711 | 99 | .SH AVAILABILITY |
601d12fb | 100 | The write command is part of the util-linux package and is available from |
d673b74e | 101 | https://www.kernel.org/pub/linux/utils/util-linux/. |