operating system Model Questions & Answers, Practice Test for ibps po mains

Question :26

In MS-DOS, which of the following commands is used to delete directory with all sub-directories and files?

Answer: (c)

Question :27

For multiprogramming operating system

Answer: (a)

Question :28

A command, in DOS, used to set a name to a disk, is

Answer: (c)

Question :29

This command is used to display a list of files and sub-directories that are in the directory you specify.

Answer: (c)

Question :30

Windows operating system is ...... and ...... .

Answer: (c)

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