The crontab -r command is used to remove crontab files.
What is crontab files?
- The crontab file seems to be a simple text file that tells the cron daemon what to do at set intervals or times. A cron job or task can be scheduled by any system user. The task is carried out by the user account that generated it.
- A crontab is a simple text file containing a set of instructions that are executed at regular intervals. For accessing and editing crontab files located in /var/spool/cron/crontabs, use the crontab command. The "cron table," also known as the "crontab," is used by the cron daemon to schedule tasks.
- A crontab file is a simple file containing a list of commands that will be run at predetermined times. To modify it, use the crontab command. To change it, use the crontab command. The cron daemon validates the commands in the crontab file (as well as their execution times) before running them in the system background.
To learn more about crontab files refer to :
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