Which Linux command is used to compare two files line by line? MCQ with Answer and Explanation

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Which Linux command is used to compare two files line by line?

A. comm

B. cmp

C. sdiff

D. diff

Answer: Option D

Solution (By JKSSB Mock Tests)

diff shows differences between files; cmp compares byte by byte; comm compares sorted files.

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Which command in Linux is used to display the currently logged-in user accounts and terminal details?

A. id

B. pwd

C. who

D. uname

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Correct Answer: Option C

Explanation:
The 'who' command queries system accounting data to display information about users currently logged into the operating system session.

This question belongs to: Computer Operating Systems

Question #2

Which Windows command is used to shut down the system from the command line?

A. shutdown /s

B. stop

C. poweroff

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Correct Answer: Option A

Explanation:
shutdown /s initiates a system shutdown; other options exist for restart or hibernate.

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Question #3

What is the main purpose of the Windows 'Action Center'?

A. To view alerts and manage system notifications

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C. To configure firewall settings

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Correct Answer: Option A

Explanation:
Action Center displays notifications and alerts about system security, maintenance, and app messages.

This question belongs to: Computer Operating Systems

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