An administrator is uncomfortable allowing users to log in as root. Which of the following ensures that root logins are disallowed?
A. usermod -L root
B. usermod -G root
C. usermod -B root
D. usermod -U root
An administrator is uncomfortable allowing users to log in as root. Which of the following ensures that root logins are disallowed?
A. usermod -L root
B. usermod -G root
C. usermod -B root
D. usermod -U root
A -L locks the account
https://linux.die.net/man/8/usermod