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DISC OPERATING SYSTEM (DOS)

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

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

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

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

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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
Undelete *.doc
All of these
Undelete

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Disc Operating System (DOS)
Which file in MSDOS contain internal command that are loaded during booting process?

Msdos.sys
Io.sys
Config.sys
Command.com

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Disc Operating System (DOS)
Which is the valid filename assign in MS-DOS?

Ram?.doc
Ram*.txt
Ram_$.txt
None of above

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