Which Linux command is used to kill a process by its name? MCQ with Answer and Explanation

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Which Linux command is used to kill a process by its name?

A. pkill

B. term

C. kill

D. killall

Answer: Option A

Solution (By JKSSB Mock Tests)

pkill kills processes based on name or other attributes; killall is similar but may behave differently; kill uses PID.

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Practice More Operating Systems Questions

Question #1

Which of the following is a disadvantage of paging?

A. Internal fragmentation

B. Complex memory management

C. External fragmentation

D. Slow allocation

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Correct Answer: Option A

Explanation:
Paging causes internal fragmentation because the last page of a process may not be fully used; external fragmentation is eliminated.

This question belongs to: Computer Operating Systems

Question #2

Which Linux command is used to display the manual page of another command?

A. whatis

B. info

C. man

D. help

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Correct Answer: Option C

Explanation:
The 'man' command (manual) displays the manual pages for commands, providing detailed documentation.

This question belongs to: Computer Operating Systems

Question #3

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

A. Blocked

B. Terminated

C. Running

D. Ready

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Correct Answer: Option D

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.

This question belongs to: Computer Operating Systems

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