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Mac OS X Tiger in a Nutshell by Jason McIntosh, Chuck Toporek, Chris Stone, Andy Lester

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Name

ac

Synopsis

ac [options] [users]

Displays accumulative Aqua and shell login times for users, or for all users if none is specified. By default, ac reads from /var/log/wtmp (see also last ).

Options

-d

Show totals for each day.

-p

Show totals for each user.

-w file

Read accounting data from file instead of /var/log/wtmp.

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