1.\" Copyright (c) 1983, 1990, 1993, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)ruptime.1 8.2 (Berkeley) 4/5/94 33.\" 34.Dd April 5, 1994 35.Dt RUPTIME 1 36.Os BSD 4.2 37.Sh NAME 38.Nm ruptime 39.Nd show host status of local machines 40.Sh SYNOPSIS 41.Nm ruptime 42.Op Fl alrtu 43.Sh DESCRIPTION 44.Nm Ruptime 45gives a status line like 46.Ar uptime 47for each machine on the local network; these are formed from packets 48broadcast by each host on the network once a minute. 49.Pp 50Machines for which no status report has been received for 11 51minutes are shown as being down. 52.Pp 53The options are as follows: 54.Bl -tag -width Ds 55.It Fl a 56Users idle an hour or more are not counted unless the 57.Fl a 58flag is given. 59.It Fl l 60Sort by load average. 61.It Fl r 62Reverses the sort order. 63.It Fl t 64Sort by uptime. 65.It Fl u 66Sort by number of users. 67.El 68.Pp 69The default listing is sorted by host name. 70.Sh FILES 71.Bl -tag -width /var/rwho/whod.* -compact 72.It Pa /var/rwho/whod.* 73data files 74.El 75.Sh SEE ALSO 76.Xr rwho 1 77.Xr uptime 1 78.Sh HISTORY 79.Nm Ruptime 80appeared in 81.Bx 4.2 . 82