In Linux, the 'ps' command with 'aux' options displays: MCQ with Answer and Explanation

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In Linux, the 'ps' command with 'aux' options displays:

A. All running processes with detailed information

B. Processes in a tree format

C. Only the current user's processes

D. System processes only

Answer: Option A

Solution (By JKExamLibrary)

ps aux shows all processes from all users, with detailed info like CPU usage, memory, and command line.

This question belongs to: Computer Operating Systems

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Question #1 Report Error

What type of program is 'systemd' in modern Linux operating systems?

A. An initialization system and service manager that bootstraps user space and manages system daemons.

B. The primary sound card device driver.

C. An open-source web browser package.

D. A high-performance text editor library.

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Correct Answer: Option A

Explanation:
systemd is the modern standard init framework and system manager used in Linux to bootstrap user components and control services.

This question belongs to: Computer Operating Systems

Question #2 Report Error

Which Linux command is used to create an alias for a command?

A. set

B. ln

C. alias

D. export

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Correct Answer: Option C

Explanation:
alias creates a shortcut for a command or series of commands.

This question belongs to: Computer Operating Systems

Question #3 Report Error

Which type of booting occurs when the system starts from a powered-off state?

A. Cold boot

B. Reboot

C. Warm boot

D. Soft boot

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Correct Answer: Option A

Explanation:
A cold boot is starting the computer from a completely powered-off state, performing full POST and boot sequence.

This question belongs to: Computer Operating Systems

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