[cron](https://en.wikipedia.org/wiki/Cron) is a job scheduler for Unix-based systems. It automates tasks. *List* all cron jobs. ```sh crontab -l ``` Create a new cron job with the *edit* command. ```sh crontab -e ``` Example cron file that runs a backup script [every day at 9 am](https://crontab.guru/#0_9_*_*_0-6). ```cron 0 9 * * 0-6 ~/my/scripts/backup.sh ``` # Resources - [Crontab.guru - Cron schedule expression generator](https://crontab.guru) - [Scheduling Jobs With Crontab on macOS. Medium.](https://ratixyz.medium.com/https-medium-com-ratik96-scheduling-jobs-with-crontab-on-macos-add5a8b26c30)