What is true about groups in a Linux system? (Choose TWO correct answers.)
A.
Each user may be a member of several groups. However, only one group is the user’s primary
group.
B.
Groups may have a password that allows users to join that group temporarily.
C.
Each user can only be a member of one group at a time.
D.
Group memberships are optional such that there may be users that do not belong to any group.
E.
Groups can be nested meaning that one group can be a member of another group.
Explanation:
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