The manuals state that
cron is a "daemon to execute scheduled commands" and
crontab exists to "maintain crontab files for individual users."
# Edit crontab -e # List crontab -l # Remove crontab -r
* * * * * USERNAME command-path args | | | | | | | | | day of the week ( 0 - 6 ) | | | month ( 1 - 12 ) | | day of the month ( 1 - 31 ) | hour ( 0 - 23 ) minute ( 0 - 59 )
Newly introduced security features in macOS Catalina require that the
cron location (most likely
/usr/sbin/cron) be added to the Full Disk Access list located at Apple menu () > System Preferences... > Security & Privacy > Full Disk Access.