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Disc Operating System (DOS)

Disc Operating System (DOS)
In which version of DOS. CHKDSK command has been changed to SCANDISK?

4.0
6.2
5.0
6.0

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Disc Operating System (DOS)
The maximum length in DOS commands is

100 chars
80 chars
8 chars
127 chars

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Disc Operating System (DOS)
Which command will be used to display a column file compression ratio for each file of Double spaced disk?

DIR/S
DIR/W
DIR /C (/C switch introduced in DOS version 6.00)
DIR/B

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Disc Operating System (DOS)
Which command is used to display a list of deleted files that DOS can undelete?

Undelete/all
Undelete/list
Undelete *.*
None of these

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Disc Operating System (DOS)
Which combination of keys allows you to perform a warm boot?

Ctrl+ESC
Ctrl+Shift+ENTER
Ctrl+Shift+DEL
Ctrl+Alt+DEL

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to combine FILE1 plus FILE2 into new file named FILE3?

COPY FILE1+FILE2 FILE3
COPY FILE1+FILE2+FILE3
COPY FILE2 FILE1+FILE3
COPY FILE3 FILE1+FILE2

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MORE MCQ ON Disc Operating System (DOS)

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