In Linux, what does the command 'ls -l' display? MCQ with Answer and Explanation

In Linux, what does the command 'ls -l' display?
A. Hidden files as well
B. Detailed file information including permissions, owner, size, and timestamp
C. Files sorted by size
D. Only file names
Answer: Option B
Solution (By JKExamLibrary)
ls -l (long listing) displays permissions, number of links, owner, group, size, date, and filename.

This question belongs to: Computer Operating Systems

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Which process state defines a task that is currently waiting in line to be assigned to a CPU core by the operating system scheduler?
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Correct Answer: Option B


Explanation:
A process is in the 'Ready' state when it is prepared for execution and is waiting to be allocated a time slice on a processor core.

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Question #2 Report Error
Which of the following Android components represents a background service without a user interface, designed to perform long-running tasks like fetching web data or playing audio?
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Correct Answer: Option D


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This question belongs to: Computer Operating Systems
Question #3 Report Error
What is the role of the Android 'Installed Packages' list in settings?
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Correct Answer: Option D


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This question belongs to: Computer Operating Systems