| 1 | .\" Copyright (c) 1989, 1990 The Regents of the University of California. |
| 2 | .\" 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 | .\" @(#)wall.1 6.5 (Berkeley) 4/23/91 |
| 33 | .\" |
| 34 | .Dd April 23, 1991 |
| 35 | .Dt WALL 1 |
| 36 | .Os BSD 4 |
| 37 | .Sh NAME |
| 38 | .Nm wall |
| 39 | .Nd write a message to users |
| 40 | .Sh SYNOPSIS |
| 41 | .Nm wall |
| 42 | .Op Ar file |
| 43 | .Sh DESCRIPTION |
| 44 | .Nm Wall |
| 45 | displays the contents of |
| 46 | .Ar file |
| 47 | or, by default, its standard input, on the terminals of all |
| 48 | currently logged in users. |
| 49 | .Pp |
| 50 | Only the super-user can write on the |
| 51 | terminals of users who have chosen |
| 52 | to deny messages or are using a program which |
| 53 | automatically denies messages. |
| 54 | .Sh SEE ALSO |
| 55 | .Xr mesg 1 , |
| 56 | .Xr talk 1 , |
| 57 | .Xr write 1 , |
| 58 | .Xr shutdown 8 |
| 59 | .Sh HISTORY |
| 60 | A |
| 61 | .Nm |
| 62 | command appeared in |
| 63 | .At v7 . |