The crontab is used for running specific tasks on a regular interval. Linux crontab is similar to windows task schedules. Crontab is very useful for routine tasks like scheduling system scanning, daily backups, etc. Crontab executes jobs automatically in the backend at a specified time and interval.
The crontab is a list of commands that you want to run on a regular schedule, and also the name of the command used to manage that list. Crontab stands for “cron table, ” because it uses the job scheduler cron to execute tasks; cron itself is named after “chronos, ” the Greek word for time.cron is the system process which will automatically perform tasks for you according to a set schedule. The schedule is called the crontab, which is also the name of the program used to edit that schedule.

Linux CentOS 8 tutorials: https://www.youtube.com/watch?v=59u_GBLJ1WI&list=PLTGb7Fhy-jx_z9CMD8Vb0uVXYjlWXJirn

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