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. 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.\" from: @(#)rwall.1 6.7 (Berkeley) 4/23/91 33.\" $FreeBSD$ 34.\" 35.Dd April 23, 1991 36.Dt RWALL 1 37.Os 38.Sh NAME 39.Nm rwall 40.Nd send a message to users logged on a host 41.Sh SYNOPSIS 42.Nm 43.Ar host 44.Op Ar file 45.Sh DESCRIPTION 46The 47.Nm 48command sends a message to the users logged into the specified 49.Ar host . 50The 51message to be sent can be typed in and terminated with EOF or it can 52be in a 53.Ar file . 54.Sh DIAGNOSTICS 55.Bl -diag 56.It rwall: RPC: Program not registered 57The 58.Xr rpc.rwalld 8 59daemon has not been started on the remote host. 60.It rwall: RPC: Timed out 61A communication error occurred. Either the network is 62excessively congested, or the 63.Xr rpc.rwalld 8 64daemon has terminated on the remote host. 65.It rwall: RPC: Port mapper failure - RPC: Timed out 66The remote host is not running the portmapper (see 67.Xr rpcbind 8 ) , 68and cannot accomodate any RPC-based services. The host may be down. 69.El 70.Sh SEE ALSO 71.Xr who 1 , 72.Xr rpc.rwalld 8 , 73.Xr rpcbind 8 74.Sh HISTORY 75The 76.Nm 77command 78appeared in 79.Em Sun-OS . 80.Sh BUGS 81The sorting options are not implemented. 82