Locating group members | LinuC Level 1 102 Exam original practice question

1.08.1Basic

Inspect a record using /etc/group format.

Identify the comma-separated supplementary-member list.

docker:x:998:kai,mei

Which value is the member list?

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.

/etc/group: The colon-separated database containing group names, GIDs, and member lists.
Group name: The name stored in the first group-record field.
GID field: The numeric group identifier stored in the third field.
Member list: The comma-separated supplementary members in the fourth field.
Password placeholder: The second-field marker for a group password managed elsewhere or unused.

Detailed explanation

Incorrectx

Incorrect. x is the second-field password placeholder.

Correctkai,mei

Correct. kai,mei is the fourth-field member list.

Incorrect998

Incorrect. 998 is the third-field numeric GID.

Incorrectdocker

Incorrect. docker is the first-field group name.

An example you can run in a temporary verification environment.

printf '%s
' 'docker:x:998:kai,mei' | cut -d: -f4

kai,mei

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-102-1034

EnvironmentPOSIX cut / 模擬レコードのみ

Last technical review2026-08-13

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