Cron is a time-primarily based totally activity scheduler in Unix or Unix-like pc running systems. You can use Cron to time table jobs, i.e. to execute instructions or shell scripts at detailed times, dates, or intervals. This lets in you, for example, to automate machine upkeep or management, to down load documents from the internet, or to ship emails on a everyday basis. It is a daemon, i.e. a history method that constantly runs at the server. The responsibilities Cron is meant to carry out are known as CronJobs. Originally, the call Cron comes from the Greek god of time “chronos”.