Linux MCQs with answers Page - 171

Here, you will find a collection of MCQ questions on Linux. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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D

Dhruva Jagannath • 660 Points
Invincible

Q. Which command can display the current runlevel of a Linux system?

  • (A) who -r
  • (B) runlevel
  • (C) systemctl get-default
  • (D) All of the above

D

Dhruva Jagannath • 660 Points
Invincible

Q. Which Linux file contains mounted file systems at boot time?

  • (A) /etc/mount
  • (B) /etc/fstab
  • (C) /etc/mounted
  • (D) /boot/fstab

D

Dhruva Jagannath • 660 Points
Invincible

Q. What is the purpose of the 'nice' command?

  • (A) Schedules a shutdown
  • (B) Sets the I/O priority of a process
  • (C) Sets the CPU priority of a process
  • (D) Kills a process nicely

D

Dhruva Jagannath • 660 Points
Invincible

Q. What is the effect of using 'rm -rf /' as root?

  • (A) Deletes the /tmp directory
  • (B) Formats the disk
  • (C) Deletes all files and directories on the system
  • (D) Nothing

D

Dhruva Jagannath • 660 Points
Invincible

Q. What does the '&' symbol do when added to the end of a command?

  • (A) Redirects output to a file
  • (B) Runs the command as administrator
  • (C) Runs the command in the background
  • (D) Repeats the command

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