How to set crontab to execute every 5 minutes - Linux Tutorials - Learn Linux Configuration
How to list, display and view all cron jobs in Linux - nixCraft
How to list, display and view all cron jobs in Linux - nixCraft
Crontab – Quick Reference
Find when cron.daily cron.weekly and cron.monthly run on Redhat / CentOS / Debian Linux and systemd-timers - ☩ Walking in Light with Christ - Faith, Computing, Diary