In Linux, the 'nice' command is used to: MCQ with Answer and Explanation
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Question #1
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Which of the following is a scheduling algorithm that allows a process to run until it blocks or is preempted by a higher priority process?
Correct Answer: Option B
Explanation:
Non-preemptive priority scheduling allows a process to keep the CPU until it finishes or voluntarily yields, unless a higher priority process arrives (which would preempt in preemptive scheduling).
Non-preemptive priority scheduling allows a process to keep the CPU until it finishes or voluntarily yields, unless a higher priority process arrives (which would preempt in preemptive scheduling).
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Operating Systems
Question #2
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Which Linux command is used to change the ownership of a file?
Correct Answer: Option A
Explanation:
chown changes the owner and/or group of a file or directory.
chown changes the owner and/or group of a file or directory.
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Computer
Operating Systems
Question #3
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Which Linux command is used to permanently set an environment variable?
Correct Answer: Option C
Explanation:
Environment variables can be set in shell startup files (.bashrc, .profile, /etc/profile) using export.
Environment variables can be set in shell startup files (.bashrc, .profile, /etc/profile) using export.
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Computer
Operating Systems
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