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Which of the following is not a system tool?

A. Scandisk

B. Drive space

C. Disk defragmenter

D. Doskey

Answer: Option D

Solution(By Examveda Team)

Doskey is an MS-DOS utility that allows the user to keep a history of all commands used on a computer. Doskey allows frequently used commands to be executed without having to type them each time they are needed.

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