In Linux, the 'df' command with '-h' option shows: MCQ with Answer and Explanation

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In Linux, the 'df' command with '-h' option shows:

A. Mount options

B. Inode usage

C. Disk space usage in human-readable format

D. File system type

Answer: Option C

Solution (By JKSSB Mock Tests)

df -h displays file system usage in GB/MB, making it easier to read.

This question belongs to: Computer Operating Systems

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Practice More Operating Systems Questions

Question #1

What is the difference between a 32-bit and 64-bit operating system?

A. The file system used

B. The speed of the processor

C. The amount of memory they can address

D. The number of users they support

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Correct Answer: Option C

Explanation:
The main difference is the addressable memory space; 64-bit can address much more than 4 GB.

This question belongs to: Computer Operating Systems

Question #2

In Windows, the 'Remote Desktop' feature allows:

A. Sharing the desktop with others

B. Remote printing

C. Accessing files remotely

D. Connecting to and controlling another computer over a network

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Correct Answer: Option D

Explanation:
Remote Desktop Protocol (RDP) enables users to connect to a remote Windows machine and control its session.

This question belongs to: Computer Operating Systems

Question #3

Which of the following is a valid Linux file permission value?

A. All of the above

B. 755

C. 700

D. 644

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Correct Answer: Option A

Explanation:
755, 644, and 700 are all valid octal permissions for files/directories in Linux.

This question belongs to: Computer Operating Systems

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