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- .th AC VIII 2/20/74
- .sh NAME
- ac \*- login accounting
- .sh SYNOPSIS
- .bd ac
- [
- .bd \*-w
- wtmp ] [
- .bd \*-p
- ] [
- .bd \*-d
- ] people
- .sh DESCRIPTION
- .it Ac
- produces a printout giving
- connect time
- for each user who has logged in
- during the life of the current
- .it wtmp
- file.
- A total is also produced.
- .bd \*-w
- is used to specify an alternate \fIwtmp\fR file.
- .bd \*-p
- prints individual totals; without this option,
- only totals are printed.
- .bd \*-d
- causes a printout for each midnight to midnight
- period.
- Any
- .it people
- will limit the
- printout to only the specified login names.
- If no \fIwtmp\fR file is given,
- .it /usr/adm/wtmp
- is used.
- .s3
- The accounting file
- .it /usr/adm/wtmp
- is maintained by
- .it init
- and
- .it login.
- Neither of these programs creates the file,
- so if it does not exist
- no connect-time accounting is done.
- To start accounting, it should be created with length 0.
- On the other hand if the file is left undisturbed it will
- grow without bound, so periodically any information
- desired should be collected and the file truncated.
- .sh FILES
- /usr/adm/wtmp
- .sh "SEE ALSO"
- init (VIII), login (I), wtmp (V).
- .sh BUGS
-