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1.1 root 1: .TH AC 8
2: .CT 1 sa_nonmortals
3: .SH NAME
4: ac \- login accounting
5: .SH SYNOPSIS
6: .B /etc/ac
7: [
8: .I option ...
9: ]
10: [
11: .I person ...
12: ]
13: .SH DESCRIPTION
14: .I Ac
15: prints the total connect time
16: recorded in the accounting file,
17: .FR /usr/adm/wtmp .
18: If
19: .I persons
20: are named, only those login names are considered.
21: The options are
22: .TP
23: .BI -w " file"
24: Use
25: .I file
26: instead of
27: .FR /usr/adm/wtmp ;
28: .L -
29: means the standard input.
30: .TP
31: .B -p
32: Print total connect time for each
33: user.
34: .TP
35: .B -d
36: Print totals for each day.
37: .PP
38: The accounting file
39: .F /usr/adm/wtmp
40: is maintained by
41: .I init
42: and
43: .IR login (8),
44: provided it exists.
45: To start accounting, create it with length 0.
46: When accounting is turned on, the file grows without limit.
47: It is prudent periodically
48: to process the data and truncate the file.
49: .SH FILES
50: .F /usr/adm/wtmp
51: .SH "SEE ALSO"
52: .IR init (8),
53: .IR sa (8),
54: .IR login (8),
55: .IR utmp (5),
56: .IR who (1)
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