Which Linux command is used to display the current system load average? MCQ with Answer and Explanation

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Which Linux command is used to display the current system load average?

A. w

B. top

C. All of the above

D. uptime

Answer: Option C

Solution (By JKSSB Mock Tests)

uptime, w, and top all show load averages; top provides additional process information.

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Which Linux command is used to delete a file from the file system permanently?

A. del

B. remove

C. rm

D. mv

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Correct Answer: Option C

Explanation:
The 'rm' command stands for remove and is used to delete files or directories in Unix-like terminal shells.

This question belongs to: Computer Operating Systems

Question #2

What is the name of the default bootloader utility widely used by modern distributions of Linux, such as Ubuntu or Fedora?

A. GRUB

B. NTLDR

C. LILO

D. BOOTMGR

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Correct Answer: Option A

Explanation:
GRUB (Grand Unified Bootloader) is the standard and most widely used bootloader across modern Linux distributions.

This question belongs to: Computer Operating Systems

Question #3

What is the function of the Android 'TelephonyManager'?

A. To make phone calls

B. To access device telephony and network information

C. To manage data connection

D. To send SMS

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Correct Answer: Option B

Explanation:
TelephonyManager provides information about cellular network, SIM, device ID, and phone state.

This question belongs to: Computer Operating Systems

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