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LFCA · Question #35
LFCA Question #35: Real Exam Question with Answer & Explanation
The correct answer is B: usermod. The usermod command, when used with the -L option, can lock a user's account in Linux, preventing login without deleting any user files or data.
Submitted by zhang_li· May 4, 2026System Administration
Question
Which of the following commands can be used to lock a user's account so that they cannot log into a Linux server without removing any files, folders, or data?
Options
- Alock
- Busermod
- Cuserdel
- Dchmod
Explanation
The usermod command, when used with the -L option, can lock a user's account in Linux, preventing login without deleting any user files or data.
Common mistakes.
- A. There is no standard
lockcommand for user account locking in Linux. - C. The
userdelcommand is used to delete a user account, which typically involves removing their home directory and data. - D. The
chmodcommand is used to change file permissions, not to lock user accounts.
Concept tested. Linux user account management (locking)
Reference. https://man7.org/linux/man-pages/man8/usermod.8.html
Topics
#User Management#Account Locking#usermod command
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