Changing only a file owner | LinuC Level 1 101 Exam original practice question

1.02.1Basic

As administrator, change report.txt's owner to alice while keeping its group.

Which command is appropriate?

Hint 1: Focus on the requirement

Identify what must change and what must remain unchanged. Then choose the command whose scope matches that requirement.

Hint 2: Check each command's role

Separate commands that display information, change state, remove data, or affect a child process.

chgrp alice report.txt: Incorrect. chgrp changes the group.
chmod alice report.txt: Incorrect. chmod changes mode bits.
chown :alice report.txt: Incorrect. chown :alice changes the group to alice.
chown alice report.txt: Correct. chown alice report.txt changes only the owner.

Detailed explanation

Incorrectchgrp alice report.txt

Incorrect. chgrp changes the group.

Incorrectchmod alice report.txt

Incorrect. chmod changes mode bits.

Incorrectchown :alice report.txt

Incorrect. chown :alice changes the group to alice.

Correctchown alice report.txt

Correct. chown alice report.txt changes only the owner.

An example you can run in a temporary verification environment.

chown --help | sed -n '1,3p'

chownの使用法。実ファイルの所有者は変更しない

Foundation review

Check whether the command acts on the current shell, a new process, an existing process, or a file.

Use the supplied command and compare the output with the expected result.

Question IDKL-101-380

EnvironmentGNU coreutils 9.x / helpのみ

Last technical review2026-08-13