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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command is used to undelete delete a bunch of files with extension doc that you have just deleted

Undelete
All of these
Undelete *.doc
Undelete/all

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Disc Operating System (DOS)
Which file is the batch file that is read while booting a computer?

Auto-batch
Auto.bat
Autoexecutive.bat
Autoexec.bat

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

DEFRAG
SCANDISK
VSAFE
MSAV

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Disc Operating System (DOS)
Which command displays the list of all previous commands entered by the used?

KEYDOS
DIR/ALL
DOSKEY
COMMANDS/ALL

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Disc Operating System (DOS)
Which command is used to display all the files having the (.exe) extension but different filename?

Dir filename.*
Dir *.sys
Dir filename.ext
Dir *.exe

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to force DOS to recheck all clusters when reformatting a disk?

FORMAT/8
FORMAT/B
FORMAT/S
FORMAT/C

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MORE MCQ ON Disc Operating System (DOS)

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