A heavy loaded server will make an administrator to be overloaded. Some of Administration tasks are regular basis such as backing up server every midnight, schedule update at the end of business day, running of invoice preparation program at the end of every month etc.

Linux has great program to do that kind of jobs for regular basis called cron. It allows tasks to be automatically run in the background at regular intervals.

These chapter costists of 4 Topic:

1. Cron Basis
2. Formatting crontab for recurring Jop
3. Adding, Editing, Removing entries to Cron Tab
4. Hands-on