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

Question
In Linux, the 'ps' command with 'aux' options displays:
A. System processes only
B. All running processes with detailed information
C. Processes in a tree format
D. Only the current user's processes
Answer: Option B
Solution (By JKSSB Mock Tests)
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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Practice More Operating Systems Questions

Question #1
What is the purpose of the Android 'WallpaperService'?
A. To create live wallpapers that run as a service
B. To draw wallpapers
C. To set wallpapers
D. To manage wallpapers
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Correct Answer: Option A

Explanation:
WallpaperService is the base class for live wallpapers, enabling animations and interactive backgrounds.
This question belongs to: Computer Operating Systems
Question #2
Which Linux command is used to copy files or directories?
A. mv
B. rsync
C. scp
D. cp
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Correct Answer: Option D

Explanation:
cp copies files/directories; mv moves/renames; rsync is for synchronization; scp is secure copy over network.
This question belongs to: Computer Operating Systems
Question #3
What is the term for the technique where a process is divided into smaller parts and executed in parallel on multiple processors?
A. Parallel processing
B. Time-sharing
C. Multithreading
D. Batch processing
Discuss
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Correct Answer: Option A

Explanation:
Parallel processing uses multiple processors to simultaneously execute multiple parts of a program, improving performance.
This question belongs to: Computer Operating Systems
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