You have a user whose account you want to disable but not remove. What should you do?
A.
Edit /etc/group file and put a # sign in front of his name.
B.
Edit /etc/passwd and insert an * after the first : .
C.
Edit /etc/passwd and change all numbers to 0.
D.
Edit /etc/gshadow and just remove his name.
E.
Edit /etc/shadow and remove the last field.