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Disc Operating System (DOS)

Disc Operating System (DOS)
Which switch should be used in the DIR command to view files in all directories?

/s
/p
/l
/w

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Disc Operating System (DOS)
Which command is used to delete all the files in the root directory of drive a

Erase *.*
Del a:\
Del *.* a:
A:\del

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Disc Operating System (DOS)
Which was the last version of MSDOS that was released separately?

6
5
6.22
6.11

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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)?

16
1
26
4

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to specify the colour display, 40 columns and color?

MODE/C
MODE CO40
None of these
MODE COLOUR
MODE CHANGE

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Disc Operating System (DOS)
Which command will prevent subsequent changes to the file CBT.EXE?

ATTRIB + r CBT.EXE
MODE + r CBT.EXE
COPY + r CBT.EXE
RENAME + r CBT.EXE

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MORE MCQ ON Disc Operating System (DOS)

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