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.\"     from: @(#)rwall.1	6.7 (Berkeley) 4/23/91
.\" $FreeBSD: release/9.1.0/usr.bin/rwall/rwall.1 216370 2010-12-11 08:32:16Z joel $
.\"
.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 accommodate any RPC-based services.
The host may be down.
.El
.Sh SEE ALSO
.Xr who 1 ,
.Xr rpcbind 8 ,
.Xr rpc.rwalld 8
.Sh HISTORY
The
.Nm
command
appeared in
.Em Sun-OS .
.Sh BUGS
The sorting options are not implemented.

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