Which of the following is a Linux command used to manage print queues? MCQ with Answer and Explanation

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Which of the following is a Linux command used to manage print queues?

A. lpq

B. lpc

C. lpr

D. lp

Answer: Option D

Solution (By JKSSB Mock Tests)

lp is used to send files to print; lpr is similar; lpq shows queue; lpc controls printers.

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Question #1

Which command in Windows is used to check the integrity of system files?

A. dism

B. chkdsk

C. sfc /scannow

D. systeminfo

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Correct Answer: Option C

Explanation:
System File Checker (sfc /scannow) scans and repairs corrupted system files in Windows.

This question belongs to: Computer Operating Systems

Question #2

In Linux, what does the 'sudo' command do?

A. Changes the user's password

B. Switches the user to root

C. Allows a user to execute commands with superuser privileges

D. Shuts down the system

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Correct Answer: Option C

Explanation:
sudo (superuser do) permits authorized users to run commands as the superuser or another user.

This question belongs to: Computer Operating Systems

Question #3

Which of the following commands is used in Linux to copy files or directories from one location to another?

A. rm

B. mv

C. ln

D. cp

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Correct Answer: Option D

Explanation:
The 'cp' command is used in Unix-like systems to copy files or entire directory trees from a source path to a destination path.

This question belongs to: Computer Operating Systems

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