2003-04-16 17:34:34 +04:00
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.\" $NetBSD: utmpx.5,v 1.2 2003/04/16 13:35:24 wiz Exp $
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2002-09-27 19:02:24 +04:00
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.\"
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.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Thomas Klausner.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd September 26, 2002
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.Dt UTMPX 5
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.Os
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.Sh NAME
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.Nm utmpx ,
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.Nm wtmpx ,
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.Nm lastlogx
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.Nd user accounting database
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.Sh SYNOPSIS
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2003-04-16 17:34:34 +04:00
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.In utmpx.h
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2002-09-27 19:02:24 +04:00
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.Sh DESCRIPTION
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The
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.Aq Pa utmpx.h
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header defines the structures and functions for logging user.
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Currently logged in users are tracked in
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.Pa /var/run/utmpx ,
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a list of all logins and logouts, as well as all shutdowns, reboots
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and date changes, is kept in
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.Pa /var/log/wtmpx ,
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and the last login of each user is noted in
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.Pa /var/log/lastlogx .
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The files are not automatically created if they do not exist; they
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must be created manually.
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.Pp
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The interface to the
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.Nm utmpx
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file is described in
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.Xr endutxent 3 .
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.Pp
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The
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.Nm wtmpx
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file can grow rapidly on busy systems, and is normally rotated with
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.Xr newsyslog 8 .
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.Pp
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In the event of a date change, a shutdown, or a reboot, the following
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items are logged in the
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.Nm wtmpx
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file:
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.Bl -tag -width shutdownxx -compact -offset indent
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.It Li date
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The system time has been manually or automatically updated by
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.Xr date 1 .
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The command name
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.Em date
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is recorded in the field
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.Fa ut_name .
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In the field
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.Fa ut_line ,
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the character
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.Ql \\*(Ba
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indicates the time prior to the change, and the character
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.Ql \&{
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indicates the new time.
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.It Li reboot
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.It Li shutdown
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A system reboot or shutdown has been initiated.
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The character
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.Ql \&~
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is placed in the field
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.Fa ut_line ,
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and
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.Li reboot
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or
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.Li shutdown
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in the field
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.Fa ut_name
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(see
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.Xr shutdown 8
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and
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.Xr reboot 8 ) ,
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using
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.Xr logwtmpx 3 .
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.Pp
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.El
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.Sh FILES
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.Bl -tag -width /var/log/lastlogx -compact
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.It Pa /var/run/utmpx
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The
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.Nm utmpx
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file.
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.It Pa /var/log/wtmpx
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The
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.Nm wtmpx
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file.
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.It Pa /var/log/lastlogx
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The
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.Nm lastlogx
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file.
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.El
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.Sh SEE ALSO
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.Xr last 1 ,
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.Xr login 1 ,
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.Xr rwho 1 ,
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.Xr w 1 ,
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.Xr who 1 ,
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.Xr endutxent 3 ,
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.Xr logwtmpx 3 ,
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.Xr ac 8 ,
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.Xr init 8 ,
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.Xr newsyslog 8 ,
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.Xr reboot 8
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