Which Linux command is used to compress files using the gzip algorithm? MCQ with Answer and Explanation

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Which Linux command is used to compress files using the gzip algorithm?

A. bzip2

B. gzip

C. tar

D. zip

Answer: Option B

Solution (By JKSSB Mock Tests)

gzip compresses files using the Lempel-Ziv coding (LZ77) with a .gz extension; zip is a different format, and tar is an archiver.

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Question #1

Which of the following is a symmetric multiprocessing (SMP) system?

A. A system with multiple processors each with their own memory

B. A system with one processor and multiple cores

C. A system that uses distributed memory

D. A system with multiple processors sharing a single memory space and OS

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Correct Answer: Option D

Explanation:
SMP architecture has multiple CPUs sharing a single main memory and OS, with equal access to resources.

This question belongs to: Computer Operating Systems

Question #2

In Windows, what type of administrative tool is 'Disk Management'?

A. A framework to analyze network packet drops.

B. An application to modify system registry paths.

C. A utility that cleans up web browser cache tracks.

D. An interface used to initialize, partition, and format local hard drives or solid-state drives.

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Correct Answer: Option D

Explanation:
Disk Management is a Windows system utility that enables users to perform advanced storage operations like creating partitions or changing drive letters.

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Question #3

What scheduling algorithm prioritizes processes based on their remaining computation requirements, preempting a running process if a shorter task enters the ready queue?

A. Shortest Remaining Time First (SRTF)

B. Round Robin (RR)

C. Static Priority Scheduling

D. First-Come, First-Served (FCFS)

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Correct Answer: Option A

Explanation:
Shortest Remaining Time First (SRTF) is a preemptive variant of SJF that continuously evaluates remaining runtime, switching to shorter newly arrived tasks.

This question belongs to: Computer Operating Systems

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