The software utility cron is a time-based job scheduler in Unix-like computer operating systems. People who set up and maintain software environments usecron to schedule jobs (commands or shell scripts) to run periodically at fixed times, dates, or intervals. … cron is most suitable for scheduling repetitive tasks

During system administration, it’s necessary to run background jobs on a server to execute routine tasks. Cron is a system process which is used to execute background tasks on a routine basis. Cron requires a file called crontab which contains the list of tasks to be executed at a particular time.Cron. The software utility cron is a time-based job scheduler in Unix-like computer operating systems. People who set up and maintain software environments use cron to schedule jobs (commands or shell scripts) to run periodically at fixed times, dates, or intervals.