To create a cron job,
- Upon accessing your cPanel dashboard, locate Cron Jobs.
- The Common Settings drop-down menu lets you select the most frequently used periods, such as once per day. Select accordingly to your preference.
- Enter a command that you wish to run.
- Once done, click Add New Cron Job.
- Once you have added a cron job, the list of Current Cron Jobs will show it.
To delete a cron job,
- To delete any of the current cron jobs listed, click the Delete button.
- Click Delete again to confirm.
- Once done, it will no longer list under Current Cron Jobs.
You may also refer here for an in-depth guide on creating and deleting a cron job directly from cPanel.