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DISC OPERATING SYSTEM (DOS)

Disc Operating System (DOS)
Which statement is correct?

None of the listed here
Directories can be kept inside a file
1 millisec = 10 ^ 3 sec
Files can not be kept inside a directory

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Disc Operating System (DOS)
CHKDSK can be used to find

Free space
Disk’s bad portion
Occupied space
All of the listed here

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Disc Operating System (DOS)
DIR command is used to

All of the listed here
Display type of files in a sub directory
Display a list of files in a directory
Display contents of files in directory

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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:

UNDELETE
DO NOT DELETE
NO DELETE
ONDELETE

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Disc Operating System (DOS)
To copy the file command.com from drive c: to drive a:

C:A: copy command.com
Copy c:\command.com a:
Drive c: copy drive a:\command.com
None of the listed here

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