1.08.1Basic
Create web01's home and copy initial files from /opt/web-skel instead of /etc/skel.
Which command is appropriate?
× Incorrect
useradd -m -k SKEL_DIR creates the home and copies initial files from the chosen skeleton directory.
Detailed explanation
Correct
useradd -m -k /opt/web-skel web01Correct. It creates the home and uses /opt/web-skel as the template.
Incorrect
useradd -d /opt/web-skel web01Incorrect. -d would register /opt/web-skel as the user's home.
Incorrect
useradd -s /opt/web-skel web01Incorrect. -s selects the login shell.
Incorrect
useradd -M -k /opt/web-skel web01Incorrect. -M disables home creation.
Try it yourself
An example you can run in a temporary verification environment.
useradd --help | grep -E -- '-k,|-m,'Expected result
--skelと--create-homeの説明行Key points
- -k selects the skeleton directory
- -m creates the home
- Different role from -d
Notes
- Environment: shadow-utils useradd help / 状態変更なし
- Command output formatting can vary slightly by distribution or tool version.
- Run the example in a temporary directory or process when possible.
Foundation review
Account record
Identity attributes such as a user ID, home directory, and login shell.
Group membership
Primary and supplementary groups used during permission checks.
Password aging
State and time limits that control password changes and account access.
Question IDKL-102-1029
Environmentshadow-utils useradd help / 状態変更なし
Last technical review2026-08-13
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