1.\" $OpenBSD: rwall.1,v 1.8 2007/05/31 19:20:15 jmc Exp $ 2.\" 3.\" Copyright (c) 1983, 1990 The Regents of the University of California. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" from: @(#)rwall.1 6.7 (Berkeley) 4/23/91 31.\" 32.Dd $Mdocdate: May 31 2007 $ 33.Dt RWALL 1 34.Os 35.Sh NAME 36.Nm rwall 37.Nd send a message to users logged on a host 38.Sh SYNOPSIS 39.Nm rwall 40.Ar host 41.Op Ar file 42.Sh DESCRIPTION 43The 44.Nm 45command sends a message to the users logged into the specified host. 46The message to be sent can be typed in and terminated with EOF or it can 47be in a 48.Ar file . 49.Sh DIAGNOSTICS 50.Bl -tag -width indent 51.It rwall: RPC: Program not registered 52The 53.Xr rpc.rwalld 8 54daemon has not been started on the remote host. 55.It rwall: RPC: Timed out 56A communication error occurred. 57Either the network is excessively congested, or the 58.Xr rpc.rwalld 8 59daemon has terminated on the remote host. 60.It rwall: RPC: Port mapper failure - RPC: Timed out 61The remote host is not running the portmapper (see 62.Xr portmap 8 ) , 63and cannot accommodate any RPC-based services. 64The host may be down. 65.El 66.Sh SEE ALSO 67.Xr wall 1 , 68.Xr portmap 8 , 69.Xr rpc.rwalld 8 70.Sh HISTORY 71The 72.Nm 73command 74appeared in 75.Tn SunOS . 76