In Linux, which command is used to display the contents of a text file directly onto the terminal screen? MCQ with Answer and Explanation

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In Linux, which command is used to display the contents of a text file directly onto the terminal screen?

A. cp

B. cd

C. ls

D. cat

Answer: Option D

Solution (By JKSSB Mock Tests)

The 'cat' (concatenate) command is used to read and display file contents directly onto the standard output terminal screen.

This question belongs to: Computer Operating Systems

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Question #1

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Which mechanism allows an operating system to simulate more memory than the computer physically contains by transferring data temporarily to secondary storage?

A. Read-Only Memory

B. Dynamic RAM

C. Cache Memory

D. Virtual Memory

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Correct Answer: Option D

Explanation:
Virtual memory combines physical RAM with temporary space on the hard drive (paging/swap file) to let the system handle larger memory loads than physical RAM capacity allows.

This question belongs to: Computer Operating Systems

Question #2

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Which Windows component stores the low-level system settings, device driver profiles, and application parameters in a hierarchical database format?

A. System.ini

B. Program Files

C. Control Panel

D. Windows Registry

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Correct Answer: Option D

Explanation:
The Windows Registry functions as a unified, hierarchical system data vault holding fundamental configurations for the OS kernel and applications.

This question belongs to: Computer Operating Systems