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+.\" Copyright (c) 1983, 1990, 1993
+.\"	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.
+.\"
+.\"     @(#)rwho.1	8.1 (Berkeley) 6/6/93
+.\"
+.Dd June 6, 1993
+.Dt RWHO 1
+.Os BSD 4.2
+.Sh NAME
+.Nm rwho
+.Nd who is logged in on local machines
+.Sh SYNOPSIS
+.Nm rwho
+.Op Fl a
+.Sh DESCRIPTION
+The
+.Nm rwho
+command produces output similar to
+.Xr who ,
+but for all machines on the local network.
+If no report has been
+received from a machine for 5 minutes then
+.Nm rwho
+assumes the machine is down, and does not report users last known
+to be logged into that machine.
+.Pp
+If a users hasn't typed to the system for a minute or more, then
+.Nm rwho
+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 rwho
+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 ruptime 1 ,
+.Xr rwhod 8
+.Sh HISTORY
+The
+.Nm rwho
+command
+appeared in
+.Bx 4.3 .
+.Sh BUGS
+This is unwieldy when the number of machines
+on the local net is large.