wok-current
annotate anacron/description.txt @ rev 22361
updated graphviz (2.28.0 -> 2.42.3)
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Hans-G?nter Theisgen |
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Thu Nov 21 13:37:52 2019 +0100 (2019-11-21) |
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1 Anacron is a periodic command scheduler. It executes commands at intervals
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2 specified in days. Unlike cron, it does not assume that the system is running
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3 continuously. It can therefore be used to control the execution of daily,
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4 weekly and monthly jobs (or anything with a period of n days), on systems
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5 that don't run 24 hours a day. When installed and configured properly,
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6 Anacron will make sure that the commands are run at the specified intervals
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7 as closely as machine-uptime permits.
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8
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9 Every time Anacron is run, it reads a configuration file that specifies the
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10 jobs Anacron controls, and their periods in days. If a job wasn't executed in
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11 the last n days, where n is the period of that job, Anacron executes it.
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12 Anacron then records the date in a special timestamp file that it keeps for
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13 each job, so it can know when to run it again. When all the executed commands
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14 terminate, Anacron exits.
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