A cron job is an automated task scheduling program that allows you to repeatedly run scripts. For example, a script that synchronizes your shopping cart's inventory with your inhouse accounting system could be setup to run every morning at 2:00.

Cron jobs (aka Crontabs) are commands for running certain UNIX processes that need to be executed at a specific time, either on a regular or continuous basis.

Allows you to set a series of tasks for your server to automatically do for you on a regular basis

Cron Jobs allow you to automate tasks on the web server at certain times of the day, week or month. They provide a powerful way to solve the problem of repetitive tasks such as hourly script runs or daily server backups.