EASY: What is a Cron Job?

What is a cron job and how do I use it or implement it.
SKGAsked:
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icdCommented:
On a unix system only, do a 'man cron' to find the full syntax.

Basically it is a way of running jobs periodically, say every night at 11:45, or every hour or every Tuesday etc.

To create a new job you do something like 'cron -e' which allows you to edit the file that contains the jobs, the format is described in the man pages but each line can define a program to run and the time at which to run it.

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