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Annotation of 43BSDReno/usr.sbin/ac/ac.8, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)ac.8        6.2 (Berkeley) 6/24/90
                      6: .\"
                      7: .TH AC 8 "June 24, 1990"
                      8: .UC 4
                      9: .SH NAME
                     10: ac \- login accounting
                     11: .SH SYNOPSIS
                     12: .B ac
                     13: [
                     14: .B \-w
                     15: wtmp ] [
                     16: .B \-p
                     17: ] [
                     18: .B \-d
                     19: ] [ people ] ...
                     20: .SH DESCRIPTION
                     21: .I Ac
                     22: produces a printout giving
                     23: connect time
                     24: for each user who has logged in
                     25: during the life of the current
                     26: .I wtmp
                     27: file.
                     28: A total is also produced.
                     29: .B \-w
                     30: is used to specify an alternate
                     31: .IR wtmp ""
                     32: file.
                     33: .B \-p
                     34: prints individual totals; without this option,
                     35: only totals are printed.
                     36: .B \-d
                     37: causes a printout for each midnight to midnight
                     38: period.
                     39: Any
                     40: .I people
                     41: will limit the
                     42: printout to only the specified login names.
                     43: If no
                     44: .IR wtmp ""
                     45: file is given,
                     46: .I /var/log/wtmp
                     47: is used.
                     48: .PP
                     49: The accounting file
                     50: .I /var/log/wtmp
                     51: is maintained by
                     52: .I init
                     53: and
                     54: .I login.
                     55: Neither of these programs creates the file,
                     56: so if it does not exist
                     57: no connect-time accounting is done.
                     58: To start accounting, it should be created with length 0.
                     59: On the other hand if the file is left undisturbed it will
                     60: grow without bound, so periodically any information
                     61: desired should be collected and the file truncated.
                     62: .SH FILES
                     63: /var/log/wtmp
                     64: .SH "SEE ALSO"
                     65: init(8), sa(8), login(1), utmp(5).

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