List all cronjobs for all cPanel users

To list all cronjobs for all users on a cPanel server use the following command

for user in $(cut -f1 -d: /etc/passwd); do crontab -u $user -l; done

To list cronjobs for a single user, navigate to /var/spool and view the user file:

cd /var/spool/cron/
cat USERNAME

For example, if the username is nupsn:

Or, use the command crontab -l -u USERNAME

crontab -l -u root