.\" Copyright (c) 1983, 1991 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.
.\"
.\"     from: @(#)rwhod.8	6.5 (Berkeley) 3/16/91
.\"	$Id: rwhod.8,v 1.16 2000/07/30 23:57:06 dholland Exp $
.\"
.\" Japanese Version Copyright (c) 2000 Yuichi SATO
.\"         all rights reserved.
.\" Translated Thu Nov  2 18:23:49 JST 2000
.\"         by Yuichi SATO <sato@complex.eng.hokudai.ac.jp>
.\"
.\"WORD:	load average	ʿ
.\"WORD:	byte order	Хȥ
.\"
.Dd May 13, 1997
.Dt RWHOD 8
.Os "Linux NetKit (0.17)"
.Sh ̾
.Nm rwhod
.Nd ƥॹơ
.Sh 
.Nm rwhod
.Op Fl bpa
.Op Fl u Ar user
.Sh 
.Nm rwhod
ϡ
.Xr rwho 1

.Xr ruptime 1
ץǻѤǡ١륵ФǤ롣
ΥФαѤϡͥåȥ
.Em ֥ɥ㥹
åѤǤ뤳ȤȤƤ롣
.Pp
.Nm rwhod
ϡơκ¦ȤƤ⡢¦ȤƤư롣
κ¦ȤƤϡƥ֤Ū䤤碌
ͥåȥ˥֥ɥ㥹Ȥ륹ơå롣
¦ȤƤϡ¾
.Nm rwhod
ФΥơåꡢǧ塢
.Pa /var/spool/rwho
ǥ쥯ȥ˺줿ե˵Ͽ롣
.Pp
Фϡ``rwho'' ӥλǻؼƤݡȤȤä
åԤ
.Xr services 5
򻲾Ȥ뤳ȡ
.Pp
.Fl b
ե饰ꤵ줿硢
ͥåȤΤ褦ʥ֥ɥ㥹ȥ󥿡եΤߤȤ롣
.Fl p
ե饰ꤵ줿硢
point-to-point Υ󥿡եΤߤȤ롣
.Fl a
ե饰ꤵ줿硢ޤϥե饰ꤵʤ硢
ƤΥ󥿡եȤ롣
.Pp
.Fl u
ե饰ꤵ줿硢
rwhod  root ǤϤʤꤵ줿桼ȤƼ¹Ԥ롣
.Pp
åϰʲηǤ롣
.Bd -literal -offset indent
struct	outmp {
	char	out_line[8];		/* tty ̾ */
	char	out_name[8];		/* 桼 ID */
	long	out_time;		/*  */
};

struct	whod {
	char	wd_vers;
	char	wd_type;
	char	wd_fill[2];
	int	wd_sendtime;
	int	wd_recvtime;
	char	wd_hostname[32];
	int	wd_loadav[3];
	int	wd_boottime;
	struct	whoent {
		struct	outmp we_utmp;
		int	we_idle;
	} wd_we[1024 / sizeof (struct whoent)];
};
.Ed
.Pp
ƤΥեɤϡ˥ͥåȥХȥѴ롣
ʿ٤
.Xr w 1
ץˤäƷ׻졢
Ф 5, 10, 15 ʬֳ֤ʿ٤ɽ
ʿ٤ 100 ݤɽ롣
Ѥۥ̾ϡ
.Xr gethostname 2
ƥॳˤä֤줿Τǡɥᥤ̾Ͼά롣
åκǸˤϡåޥ˥󤷤Ƥ
桼ξ󤬴ޤޤƤ롣
ξˤϡɥǤʤü饤
.Xr utmp 5
ȥü饤󤫤ǸʸƤÿäƤ롣
.Pp
.Xr rwho
Ф˼åϡ
.Xr rwho
ФΥݡȤ줿ΤǤʤС˴롣
ˡåǻꤵ줿ۥ̾ɽǤʤ
.Tn ASCII
ʸޤǤ⡢å˴롣
.Nm rwhod
˼줿ͭʥåϡǥ쥯ȥ
.Pa /var/spool/rwho
ˤ
.Pa whod.hostname
Ȥե롣
Υեˤϡ
ǿΥåΤߤեޥåȤdzǼƤ롣
.Pp
ơåϡ 3 ʬ 1 롣
.Nm rwhod
ϥƥΥ֡Ȼ 30 ʬ˺Ʒ׻롣
ʤʤ顢(Linux ʳ) ƥˤϡ
֡Ȼη׻˿ѤΤץǤϤʤ
ƥ¸ߤ뤿Ǥ롣
.Sh Ϣ
.Xr rwho 1 ,
.Xr ruptime 1
.Sh Х
ͥåȥ֤ǥơѤˡɬפǤ롣
ФǤͥåȥ̿ԤƤˡ
ޥ󤬥󤷤ƤȲᤷƤޤȤ롣
.Sh 
.Nm
ޥɤ
.Bx 4.2
о줷