CompTIA Linux+ (XK0-004) — Question 49

A Linux user wants to give read-only permissions to a directory and its contents. Which of the following commands will allow the user to accomplish this task?

Answer options

• A. chmod ג€"R 400 /new_directory/
• B. chmod ג€"R 600 /new_directory/
• C. chmod 400 /new_directory/
• D. chmod 600 /new_directory/

Correct answer: A

Explanation

The correct answer is A because the command 'chmod -R 400 /new_directory/' applies read-only permissions recursively to the directory and its contents. Options B and D grant write permissions, which contradicts the requirement for read-only access. Option C only sets permissions for the directory itself, not its contents, therefore it is not suitable for this task.