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.\" 4. 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.\" $FreeBSD$ 30.\" 31.Dd April 23, 1991 32.Dt RWALL 1 33.Os 34.Sh NAME 35.Nm rwall 36.Nd send a message to users logged on a host 37.Sh SYNOPSIS 38.Nm 39.Ar host 40.Op Ar file 41.Sh DESCRIPTION 42The 43.Nm 44command sends a message to the users logged into the specified 45.Ar host . 46The 47message to be sent can be typed in and terminated with EOF or it can 48be in a 49.Ar file . 50.Sh DIAGNOSTICS 51.Bl -diag 52.It rwall: RPC: Program not registered 53The 54.Xr rpc.rwalld 8 55daemon has not been started on the remote host. 56.It rwall: RPC: Timed out 57A communication error occurred. 58Either the network is 59excessively congested, or the 60.Xr rpc.rwalld 8 61daemon has terminated on the remote host. 62.It rwall: RPC: Port mapper failure - RPC: Timed out 63The remote host is not running the portmapper (see 64.Xr rpcbind 8 ) , 65and cannot accommodate any RPC-based services. 66The host may be down. 67.El 68.Sh SEE ALSO 69.Xr who 1 , 70.Xr rpc.rwalld 8 , 71.Xr rpcbind 8 72.Sh HISTORY 73The 74.Nm 75command 76appeared in 77.Em Sun-OS . 78.Sh BUGS 79The sorting options are not implemented. 80