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utx.8
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utx.c
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Editing: utx.8
.\" Copyright (c) 2011-2012 Ed Schouten <ed@FreeBSD.org> .\" 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. .\" .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. .\" .\" $FreeBSD$ .\" .Dd November 3, 2013 .Dt UTX 8 .Os .Sh NAME .Nm utx .Nd manage the user accounting database .Sh SYNOPSIS .Nm .Cm boot .Nm .Cm shutdown .Nm .Cm rm .Ar identifier .Ar ... .Sh DESCRIPTION The .Nm utility can be used to perform operations on the user accounting database, as done by .Xr pututxline 3 . .Pp The first argument to .Nm indicates an action to be performed: .Bl -tag -width ".Cm shutdown" .It Cm boot Write a boot time record to the user accounting database. This option should typically only be used by .Xr rc 8 . .It Cm shutdown Write a shutdown time record to the user accounting database. This option should typically only be used by .Xr rc 8 . .It Cm rm Remove stale sessions from the user accounting database, by referring to their .Ar identifier . Stale sessions can occur if a login service exits prematurely or fails to remove the session from the accounting database. .Pp Utilities such as .Xr w 1 will not display the identifier corresponding with a login session, since its value is typically only of use by the process managing the record. The following command can be used to obtain all records from the user accounting database's active session table, including its identifiers: .Pp .Dl getent utmpx active .Pp Identifiers can either be supplied in hexadecimal form as displayed by .Xr getent 1 , or as a string if the identifier allows such a representation. .El .Pp Because this utility requires write-access to the user accounting database, its use is limited to the super-user. .Sh SEE ALSO .Xr getent 1 , .Xr w 1 , .Xr pututxline 3 .Sh HISTORY The .Nm utility replaced .Nm utxrm in .Fx 10.0 . .Sh AUTHORS .An Ed Schouten Aq Mt ed@FreeBSD.org
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