====== Ubuntu - Cron - Delete Crontab ====== To terminate all pre-scheduled tasks, deleting the crontab for the currently logged in user. crontab -r Simply pass the -r (remove) flag to crontab for removing the crontab. ---- ===== Delete the Crontab of a specific User ===== crontab -u User -r The same can be done using the below command. crontab -r User