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.\" $OpenBSD: rwho.1,v 1.8 2007/05/31 19:20:15 jmc Exp $
.\"
.\" 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. 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: @(#)rwho.1 6.7 (Berkeley) 4/23/91
.\"
.Dd $Mdocdate: May 31 2007 $
.Dt RWHO 1
.Os
.Sh NAME
.Nm rwho
.Nd who is logged in on local machines
.Sh SYNOPSIS
.Nm rwho
.Op Fl a
.Sh DESCRIPTION
The
.Nm
command produces output similar to
.Xr who 1 ,
but for all machines on the local network.
If no report has been
received from a machine for 11 minutes then
.Nm
assumes the machine is down, and does not report users last known
to be logged into that machine.
.Pp
If a user hasn't typed to the system for a minute or more, then
.Nm
reports this idle time.
If a user hasn't typed to the system for an hour or more,
then the user will be omitted from the output of
.Nm
unless the
.Fl a
flag is given.
.Sh FILES
.Bl -tag -width /var/rwho/rhowd.* -compact
.It Pa /var/rwho/whod.*
information about other machines
.El
.Sh SEE ALSO
.Xr finger 1 ,
.Xr rup 1 ,
.Xr ruptime 1 ,
.Xr rusers 1 ,
.Xr who 1 ,
.Xr rwhod 8
.Sh HISTORY
The
.Nm
command
appeared in
.Bx 4.3 .
.Sh BUGS
The
.Nm
protocol only supports up to eight character login names even though
.Ox
supports much longer ones.
Long login names will be truncated.
.Pp
.Nm
is unwieldy when the number of machines on the local net is large.
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