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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?

/w
/p
/l
/s

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Disc Operating System (DOS)
What type of commands are individual programs kept, as separate files on the hard disk (DOS diskette)?

Change
Internal
File
External

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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/all
Undelete/list

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Disc Operating System (DOS)
After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?

Contact the application's vendor support line
Use the DOS+ command
Use the SETVER command
Restore the old DOS version
None of these

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Disc Operating System (DOS)
While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?

Ren a: *.doc *.txt
Ren *.txt *.doc
Ren file.doc file.txt
Ren *.doc *.txt

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Disc Operating System (DOS)
The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:

NO DELETE
DO NOT DELETE
ONDELETE
UNDELETE

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MORE MCQ ON Disc Operating System (DOS)

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