LPI
010-150 · Question #70
010-150 Question #70: Real Exam Question with Answer & Explanation
The correct answer is D. id. The id command prints a user's UID, primary GID, and all supplementary group memberships. It is the standard way to inspect group associations for a user.
Question
Which command displays the list of groups to which a user belongs?
Options
- Awhoami
- Blsgroup
- Cwho
- Did
Explanation
The id command prints a user's UID, primary GID, and all supplementary group memberships. It is the standard way to inspect group associations for a user.
Common mistakes.
- A. 'whoami' only prints the effective username of the current user and provides no group information.
- B. 'lsgroup' is not a standard command on Linux or Unix systems and does not exist by default.
- C. 'who' shows which users are currently logged into the system, not group memberships.
Concept tested. Displaying user and group identity with id
Reference. https://www.man7.org/linux/man-pages/man1/id.1.html
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