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.\" Copyright (c) 1983, 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" from: @(#)rwall.1 6.7 (Berkeley) 4/23/91
.\" $FreeBSD$
.\"
.Dd April 23, 1991
.Dt RWALL 1
.Os
.Sh NAME
.Nm rwall
.Nd send a message to users logged on a host
.Sh SYNOPSIS
.Nm
.Ar host
.Op Ar file
.Sh DESCRIPTION
The
.Nm
command sends a message to the users logged into the specified
.Ar host .
The
message to be sent can be typed in and terminated with EOF or it can
be in a
.Ar file .
.Sh DIAGNOSTICS
.Bl -diag
.It rwall: RPC: Program not registered
The
.Xr rpc.rwalld 8
daemon has not been started on the remote host.
.It rwall: RPC: Timed out
A communication error occurred. Either the network is
excessively congested, or the
.Xr rpc.rwalld 8
daemon has terminated on the remote host.
.It rwall: RPC: Port mapper failure - RPC: Timed out
The remote host is not running the portmapper (see
.Xr rpcbind 8 ) ,
and cannot accomodate any RPC-based services. The host may be down.
.El
.Sh SEE ALSO
.Xr who 1 ,
.Xr rpc.rwalld 8 ,
.Xr rpcbind 8
.Sh HISTORY
The
.Nm
command
appeared in
.Em Sun-OS .
.Sh BUGS
The sorting options are not implemented.
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