A+ Linux Command Quiz: Can You Master ls, grep & chmod?

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Quizzes Created: 7097 | Total Attempts: 80,150
| Questions: 20 | Updated: Jul 2, 2026
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1. What does 'mkdir' create?

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About This Quiz
A+ Linux Command Quiz: Can You Master Ls, Grep & Chmod? - Quiz

Master essential Linux Commands Basics (A+) with this college-level quiz covering fundamental command-line tools. Test your knowledge of ls, grep, chmod, and other core utilities critical for CompTIA A+ certification. This quiz evaluates your ability to navigate the file system, search text, and manage file permissions\u2014skills every IT professional must... see moremaster. see less

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2. The 'whoami' command displays the ____.

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3. What does 'which' command do?

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4. The 'tail' command shows the last lines of a file.

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5. Which command displays the first few lines of a file?

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6. The 'find' command is used to ____.

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7. What does 'rm -f' do?

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8. The 'mv' command both moves and renames files.

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9. Which flag allows 'cp' to copy directories recursively?

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10. The 'cp' command is used to ____.

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11. What does the 'ls -la' command display?

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12. Which command removes a directory?

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13. The 'pwd' command ____.

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14. What does 'cat' do in Linux?

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15. The 'chmod 755' command grants which permissions to the owner?

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16. In chmod, what does the number 7 represent?

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17. Which command changes file permissions in Linux?

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18. What does 'grep -i' do?

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19. The 'grep' command is used to ____.

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20. Which flag reverses the sort order in the ls command?

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What does 'mkdir' create?
The 'whoami' command displays the ____.
What does 'which' command do?
The 'tail' command shows the last lines of a file.
Which command displays the first few lines of a file?
The 'find' command is used to ____.
What does 'rm -f' do?
The 'mv' command both moves and renames files.
Which flag allows 'cp' to copy directories recursively?
The 'cp' command is used to ____.
What does the 'ls -la' command display?
Which command removes a directory?
The 'pwd' command ____.
What does 'cat' do in Linux?
The 'chmod 755' command grants which permissions to the owner?
In chmod, what does the number 7 represent?
Which command changes file permissions in Linux?
What does 'grep -i' do?
The 'grep' command is used to ____.
Which flag reverses the sort order in the ls command?
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