Unix uses a utility called cron to run user-created scripts at certain intervals. Crons can be invaluable for performing regular tasks associated with your website. For example, you could write a script that backs-up your MySQL database, then run it every Sunday at 2 a.m., or you could write a script to email invoices to all of your clients, and set it to run daily at 5 p.m.
Cron Job Manager is designed to make scheduling cron processing simple and painless. By default, the run-time of each entry in the Cron Job Manager will be displayed in an easy-to-read format. However, when the scheduling particulars are complex, the entry may only be viewable in Advanced mode. When viewing the entries in Advanced mode, you will see exactly how they are formatted to be read with Cron.Note: This chapter explains how to use the Cron Job Manager to schedule cron jobs; it does not provide instructions on how to author the scripts you can run.
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