CompTIA Linux+ Practice Test

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Quizzes Created: 7097 | Total Attempts: 80,150
| Questions: 15 | Updated: Jul 15, 2026
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1. Which command is used to change file permissions in Linux using numeric notation?

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About This Quiz
CompTIA Linux+ Practice Test - Quiz

This quiz assesses your knowledge of core Linux administration concepts covered in the CompTIA Linux+ certification. Test your understanding of file systems, user management, system services, networking, security, and command-line operations essential for professional Linux system administration.

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2. What does the 'd' in the first position of 'drwxr-xr-x' indicate?

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3. Which file system is the default for most modern Linux distributions?

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4. What is the primary purpose of the /etc/passwd file?

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5. Which command displays the current working directory?

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6. What does systemd manage in modern Linux systems?

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7. Which utility is used to schedule tasks to run at specific times?

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8. What is the purpose of the sudo command?

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9. Which command is used to view the contents of a file?

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10. What does the UID field in /etc/passwd represent?

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11. Which directory typically contains system log files?

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12. What is the function of the 'grep' command?

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13. Which command changes the owner of a file?

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14. What does TCP/IP stand for?

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15. Which command is used to display network interface configuration?

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Which command is used to change file permissions in Linux using...
What does the 'd' in the first position of 'drwxr-xr-x' indicate?
Which file system is the default for most modern Linux distributions?
What is the primary purpose of the /etc/passwd file?
Which command displays the current working directory?
What does systemd manage in modern Linux systems?
Which utility is used to schedule tasks to run at specific times?
What is the purpose of the sudo command?
Which command is used to view the contents of a file?
What does the UID field in /etc/passwd represent?
Which directory typically contains system log files?
What is the function of the 'grep' command?
Which command changes the owner of a file?
What does TCP/IP stand for?
Which command is used to display network interface configuration?
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