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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command is used to see the contents of a file?

Copy
Type
Ed
None of above

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Disc Operating System (DOS)
When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?

None of these
SYS C: A:
XCOPY C:DOS*.* A:
ATTRIB C:*.SYS A:
COPY C:DOSCOMMAND.COM A:

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Disc Operating System (DOS)
3. What is the maximum length allowed for primary name of a computer file under DOS?

None of these
12
8
3

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to copy all files from the currently logged drive and directory with the extension .TXT to the drive A?

COPY *.TXT C:
COPY *.TXT A:
COPY A: *.TXT
COPY *.TXT ALL.TXT

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Disc Operating System (DOS)
Which of the following extensions suggest that the file is a backup copy.

Bas
Bak
Txt
Com

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?

RESTORE A: *.*/N
RESTORE A: *.*/M
RESTORE A: *.*/S
RESTORE A: *.*/L

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MORE MCQ ON Disc Operating System (DOS)

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