Which Linux command is used to display the currently running processes along with dynamic, real-time system resource usage? MCQ with Answer and Explanation

Question

Which Linux command is used to display the currently running processes along with dynamic, real-time system resource usage?

A. ps

B. grep

C. ls

D. top

Answer: Option D

Solution (By JKSSB Mock Tests)

The 'top' command in Linux provides a dynamic, real-time view of the running tasks, CPU utilization, and memory consumption.

This question belongs to: Computer Operating Systems

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Question #1

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Which partition type is required to boot an operating system from a GPT formatted drive under UEFI firmware standards?

A. Swap Partition

B. NTFS Primary Boot Sector

C. Extended Logical Partition

D. EFI System Partition (ESP)

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Correct Answer: Option D

Explanation:
The EFI System Partition (ESP) formatted with a FAT file system contains the bootloaders, drivers, and configuration files required by UEFI firmware.

This question belongs to: Computer Operating Systems

Question #2

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In Linux, the file /etc/passwd contains:

A. Encrypted passwords

B. User account information

C. Group information

D. System hostname

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Correct Answer: Option B

Explanation:
/etc/passwd stores user account data such as username, UID, home directory, and shell; passwords are stored separately in /etc/shadow.

This question belongs to: Computer Operating Systems