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Diffstat (limited to 'usr.sbin/ac')
-rw-r--r-- | usr.sbin/ac/ac.8 | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/usr.sbin/ac/ac.8 b/usr.sbin/ac/ac.8 new file mode 100644 index 0000000..0c834a7 --- /dev/null +++ b/usr.sbin/ac/ac.8 @@ -0,0 +1,107 @@ +.\" Copyright (c) 1980, 1991, 1993 +.\" 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. +.\" +.\" @(#)ac.8 8.2 (Berkeley) 4/19/94 +.\" +.Dd April 19, 1994 +.Dt AC 8 +.Os BSD 4 +.Sh NAME +.Nm ac +.Nd display connect time accounting +.Sh SYNOPSIS +.Nm ac +.Op Fl d +.Op Fl p +.Op Fl w Ar file +.Op Ar users ... +.Sh DESCRIPTION +If the file +.Pa /var/log/wtmp +exists, +a record of individual +login and logout times are written to it by +.Xr init 8 +and +.Xr login 8 +respectively. +The program +.Nm ac +examines these +records and writes the accumulated connect time for all logins to the +standard output. +.Pp +Options available: +.Bl -tag -width people +.It Fl d +Display the connect times in 24 hour chunks. +.It Fl p +Display individual user totals. +.It Fl w Ar file +Read raw connect time data from +.Ar file +instead of the default file +.Pa /var/log/wtmp . +.It Ar users ... +Display totals for the given individuals +only. +.El +.Pp +If no arguments are given, +.Nm +displays the total amount of login time for all active accounts on the +system. +.Pp +The default +.Pa wtmp +file is an infinitely increasing file +unless frequently truncated. This is normally +done by the daily daemon scripts scheduled by +.Xr cron 8 +which rename and rotate the +.Pa wtmp +files before truncating them (and keeping about a weeks worth on hand). +No login times are collected however, if the file does not exist. +.Sh FILES +.Bl -tag -width /var/log/wtmp.[0-7] -compact +.It Pa /var/log/wtmp +.It Pa /var/log/wtmp.[0-7] +rotated files +.El +.Sh SEE ALSO +.Xr init 8 , +.Xr sa 8 , +.Xr login 1 , +.Xr utmp 5 . +.Sh HISTORY +A +.Nm +command appeared in Version 6 AT&T UNIX. |