/ 레드햇

13.1 Cron Versus at

레드햇 rhcsa cron command at command
https://4am.kr/13-1-cron-versus-at/

Cron is tasks that need to be repeated on a regular basis

  • Uses the crond service
  • Started by default and Used by different services
  • Configuration files in differnt locations
    • Allows rpm's to drop shell scripts in cron
    • Or users to create their own cron jobs

At is for jobs that need to be executed at a certain time

  • Uses atd
  • Use at to add jobs