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Which of the following commands correctly locks a user account named 'bob' to prevent login?

easy📝 Syntax Q3 of 15
Linux CLI - Users and Groups
Which of the following commands correctly locks a user account named 'bob' to prevent login?
Auseradd -l bob
Bpasswd -l bob
Cusermod -u bob
Dpasswd -u bob
Step-by-Step Solution
Solution:

  1. Step 1: Identify command to lock account

    The 'passwd -l username' command locks the user account by disabling the password.

  2. Step 2: Check other options

    'useradd' adds users, 'usermod -u' changes UID, 'passwd -u' unlocks accounts.

  3. Final Answer:

    passwd -l bob -> Option B

  4. Quick Check:

    Lock user command = B [OK]
Quick Trick: Use 'passwd -l username' to lock accounts [OK]
Common Mistakes:
  • Confusing useradd with locking
  • Using passwd -u which unlocks accounts
  • Misusing usermod for locking

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