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Disc Operating System (DOS)

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

27 characters
12 characters
17 characters
127 characters

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Disc Operating System (DOS)
To display the list of all the file of the disk you would type

DIR
DIR FILES
DIR AUTOEXEC.BAT
COPY

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Disc Operating System (DOS)
Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?

COM
EXE
BAT
None of these
SYS

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

DEFRAG
SCANDISK
MSAV
VSAFE

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

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

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Disc Operating System (DOS)
An entire path name, consisting of several sub-directory names can contain upto

64 character
33 character
63 character
36 character

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MORE MCQ ON Disc Operating System (DOS)

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