What command must you enter to edit this file?

You wish to edit your crontab file that is located in /var/spool/cron/crontab. What command must
you enter to edit this file?

A.
crontab –e

B.
crontab –e /var/spool/cron/crontab

C.
crontab –r

D.
crontab –e /etc/default/cron

Explanation:
The main tool for setting up cron jobs is the crontab command, though this is not

available on every Unix variant. Typically under Solaris or Linux one would create a new crontab
or edit an existing one, using the command;
crontab -e
Use the ls -l command to verify the contents of the/var/spool/cron/crontabs file.
Reference: System Administration Guide: Advanced Administration, Creating and Editing crontab
Files