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.\"     @(#)ruptime.1	8.2 (Berkeley) 4/5/94
.\" $FreeBSD: src/usr.bin/ruptime/ruptime.1,v 1.8.2.5 2002/06/21 15:29:03 charnier Exp $
.\" $DragonFly: src/usr.bin/ruptime/ruptime.1,v 1.2 2003/06/17 04:29:31 dillon Exp $
.\"
.Dd April 5, 1994
.Dt RUPTIME 1
.Os
.Sh NAME
.Nm ruptime
.Nd show host status of local machines
.Sh SYNOPSIS
.Nm
.Op Fl alrtu
.Sh DESCRIPTION
The
.Nm
utility gives a status line like
.Xr uptime 1
for each machine on the local network; these are formed from packets
broadcast by each host on the network once every three minutes.
.Pp
Machines for which no status report has been received for 11
minutes are shown as being down, and machines for which no status
report has been received for 4 days are not shown in the list at all.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl a
Include all users.  By default, if a user hasn't typed to the system for
an hour or more, then the user will be omitted from the output.
.It Fl l
Sort by load average.
.It Fl r
Reverse the sort order.
.It Fl t
Sort by uptime.
.It Fl u
Sort by number of users.
.El
.Pp
The default listing is sorted by host name.
.Sh FILES
.Bl -tag -width /var/rwho/whod.* -compact
.It Pa /var/rwho/whod.*
data files
.El
.Sh SEE ALSO
.Xr rwho 1 ,
.Xr uptime 1 ,
.Xr rwhod 8
.Sh HISTORY
A
.Nm
utility appeared in
.Bx 4.2 .