Computer Science - Disk Operating System (DOS)

Exercise :: Disk Operating System (DOS) - Section 3

16. 

Which command will be used to display a column file compression ratio for each file of Double spaced disk?

A. DIR/W
B. DIR/S
C. DIR/B
D. DIR /C (/C switch introduced in DOS version 6.00)
E. None of the above

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

17. 

The COPY command of MS-DOS, is used to:

A. copying files to transfer from one PC to another
B. copying files for safe keeping or for record purpose
C. copying files from the hard disk to floppy disks
D. All of the above
E. None of the above

Answer: Option D

Explanation:

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18. 

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?

A. COPY A: *.TXT
B. COPY *.TXT A:
C. COPY *.TXT C:
D. COPY *.TXT ALL.TXT
E. None of the above

Answer: Option B

Explanation:

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19. 

Which command of DOS is used to compare two floppy disks?

A. DISKCOPY
B. DISKCOMP
C. DISKCOPY A: B/V
D. FORMAT A: B:
E. None of the above

Answer: Option B

Explanation:

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20. 

Which command of DOS is used to sort the file in reverse order?

A. SORT > filename
B. SORT < filename
C. SORT/R < filename
D. SORT/V < filename
E. None of the above

Answer: Option C

Explanation:

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