Crontab

If you're from Windows World, crontab is Unix's Task Scheduler, only it's better. You'll hear crontab referred to as cron and cronjob.

On macOS (and this should work on any other *NIX), you can install a crontab for your local user by running the following (using the nano editor)

On the first line, you can then enter the command you want to run and how long to run it.

* * * * *  command to execute
│ │ │ │ │
│ │ │ │ └─── day of week (0 - 6) (0 to 6 are Sunday to Saturday, or use names; 7 is Sunday, the same as 0)
│ │ │ └──────── month (1 - 12)
│ │ └───────────── day of month (1 - 31)
│ └────────────────── hour (0 - 23)
└─────────────────────── min (0 - 59)

Press CTRL+O and CTRL+X to save and exit.

If you need to remove a single entry, you can edit your crontab with env EDITOR=nano crontab -e which is standard editing mode.

If you want to eliminate the crontab entirely, run the following: