Which of the following is a characteristic of a microkernel? MCQ with Answer and Explanation
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Question #1
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What is the purpose of a 'System Call' in an operating system environment?
Correct Answer: Option C
Explanation:
System calls act as the fundamental interface between a running application program and the privileged actions performed by the operating system kernel.
System calls act as the fundamental interface between a running application program and the privileged actions performed by the operating system kernel.
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Computer
Operating Systems
Question #2
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Which of the following is a feature of a preemptive multitasking system?
Correct Answer: Option D
Explanation:
Preemptive multitasking allows the OS to forcibly preempt a running process to allocate CPU to another, ensuring responsiveness.
Preemptive multitasking allows the OS to forcibly preempt a running process to allocate CPU to another, ensuring responsiveness.
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Computer
Operating Systems
Question #3
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Which Linux utility command can be used to display system disk space utilization across all mounted partitions?
Correct Answer: Option A
Explanation:
The 'df' (disk free) command displays the amount of available and used disk space on file systems mounted to the Linux machine.
The 'df' (disk free) command displays the amount of available and used disk space on file systems mounted to the Linux machine.
This question belongs to:
Computer
Operating Systems
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