Which of the following statements about crontab are true? (Select TWO).
A. Every user may have their owncrontab.
B. Changing a crontab requires a reload/restart of the cron daemon.
C. The cron daemon reloads crontab files automatically when necessary.
D. hourly is the same as “0 * * * *”.
E. A cron daemon must run for each existing crontab.