Deleting a user and its home | LinuC Level 1 102 Exam original practice question

1.08.1Basic

Delete obsolete user retired.

Also remove the user's home directory and mail spool.

Which command is appropriate?

Hint 1: Focus on account attributes

Separate account creation, home-directory handling, group membership, login identity, and password state before comparing the commands.

Hint 2: Key terms

Review the short definitions of account records, groups, home directories, shells, and password state involved.

userdel: The command used to remove a user account.
-r: The userdel option that also removes the home directory and mail spool.
Home directory: The user's filesystem directory that may contain personal data.
Mail spool: The local mailbox area associated with a user account.

Detailed explanation

Incorrectuserdel retired

Incorrect. Without -r, the home and mail spool normally remain.

Correctuserdel -r retired

Correct. -r requests removal of the home directory and mail spool.

Incorrectusermod -r retired

Incorrect. usermod changes an account rather than deleting it.

Incorrectgroupdel retired

Incorrect. groupdel removes a group, not a user account.

An example you can run in a temporary verification environment.

userdel --help | grep -E -- '-r,|--remove'

ホームとメールスプールの削除を示す説明行

Foundation review

Identity attributes such as a user ID, home directory, and login shell.

Primary and supplementary groups used during permission checks.

State and time limits that control password changes and account access.

Question IDKL-102-1018

Environmentshadow-utils userdel help / 状態変更なし

Last technical review2026-08-13

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