The permissions for the /var/spool/cron directory should be d_____. Which command will result in only allowing the root user the ability to run the crontab command? A. rm /etc/crontab B. rm -r...

The permissions for the /var/spool/cron directory should be d_____.

Which command will result in only allowing the root user the ability to run the crontab command?

A. rm /etc/crontab

B. rm -r /var/spool

C. chmod 0700 /usr/bin/crontab

D. rm /usr/bin/crontab

BASH scripts should never have the _____ and SGID permissions set.