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. Inode usage

B. File system type

C. Mount options

D. Disk space usage in human-readable format

Answer: Option D

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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Question #1

Which Linux command shows the list of mounted file systems?

A. fstab

B. lsblk

C. df

D. mount

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Correct Answer: Option D

Explanation:
mount without arguments displays all currently mounted file systems; df also shows mounts but with usage.

This question belongs to: Computer Operating Systems

Question #2

Which of the following application file formats is natively used to distribute and install apps on the Android operating system?

A. .deb

B. .msi

C. .exe

D. .apk

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Correct Answer: Option D

Explanation:
Android packages use the '.apk' (Android Package Kit) file extension to bundle application code, resources, and assets for easy installation.

This question belongs to: Computer Operating Systems

Question #3

Which Windows command is used to manage disk partitions from the command line?

A. format

B. parted

C. fdisk

D. diskpart

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Correct Answer: Option D

Explanation:
diskpart is the Windows command-line utility for partition management; fdisk and parted are for Linux.

This question belongs to: Computer Operating Systems

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