1.\" Copyright (c) 1983, 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. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" from: @(#)rwall.1 6.7 (Berkeley) 4/23/91 29.\" $FreeBSD: src/usr.bin/rwall/rwall.1,v 1.15 2004/07/04 20:55:50 ru Exp $ 30.\" $DragonFly: src/usr.bin/rwall/rwall.1,v 1.3 2007/05/13 18:33:59 swildner Exp $ 31.\" 32.Dd April 23, 1991 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 40.Ar host 41.Op Ar file 42.Sh DESCRIPTION 43The 44.Nm 45command sends a message to the users logged into the specified 46.Ar host . 47The 48message to be sent can be typed in and terminated with EOF or it can 49be in a 50.Ar file . 51.Sh DIAGNOSTICS 52.Bl -diag 53.It rwall: RPC: Program not registered 54The 55.Xr rpc.rwalld 8 56daemon has not been started on the remote host. 57.It rwall: RPC: Timed out 58A communication error occurred. 59Either the network is 60excessively congested, or the 61.Xr rpc.rwalld 8 62daemon has terminated on the remote host. 63.It rwall: RPC: Port mapper failure - RPC: Timed out 64The remote host is not running the portmapper (see 65.Xr rpcbind 8 ) , 66and cannot accommodate any RPC-based services. 67The host may be down. 68.El 69.Sh SEE ALSO 70.Xr who 1 , 71.Xr rpcbind 8 , 72.Xr rpc.rwalld 8 73.Sh HISTORY 74The 75.Nm 76command 77appeared in 78.Em Sun-OS . 79.Sh BUGS 80The sorting options are not implemented. 81