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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command of DOS is used to sort the file in reverse order?

SORT > filename
SORT < filename
SORT/V < filename
SORT/R < filename

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Disc Operating System (DOS)
You can copy command.com to your disk from hard disk

true
false

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Disc Operating System (DOS)
While working with MS-DOS which key is used to get the p[revious command used:

F4
F3
F1
F5

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Disc Operating System (DOS)
Which DOS command is used to remove and scan memory and disk from viruses?

MSAV
DEFRAG
SCANDISK
VSAFE

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Disc Operating System (DOS)
DOS uses letters of the alphabet to designate disk drives. How many disk drives can DOS address (recognize)?

4
16
1
26

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Disc Operating System (DOS)
xcopy command can copy

All of the listed here
xcopy command can copy
xcopy command can copy
Directories including subdirectories

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