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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command is used to delete the directory and all its contents in one step?

DEL *.*
DELTREE
CD
RD

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Disc Operating System (DOS)
Which of the following file names are invalid in MSDOS?

MYFILE.DOS
CHECK$.(1)
Qwerty.1?3
Verified.###

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Disc Operating System (DOS)
To copy the file command.com from drive c: to drive a:

None of the listed here
Copy c:\command.com a:
C:A: copy command.com
Drive c: copy drive a:\command.com

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Disc Operating System (DOS)
Which among the following are the best tools for fixing errors on disks?

Fdisk
Chkdsk
Scandisk
Fixdsk

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Disc Operating System (DOS)
Maximum length of DOS command using any optional parameter is

27 characters
127 characters
17 characters
12 characters

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Disc Operating System (DOS)
Which of the following operating does not implement multitasking truly?

Windows XP
Windows NT
Windows 98
MS DOS

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MORE MCQ ON Disc Operating System (DOS)

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