Does an error appear when copying files to a NUL device?

Action:


To check the disk drive at the DOS prompt by copying files to a NUL device, type the following command at a DOS command prompt:
COPY <drive>\*.* NUL
(where <drive> is the floppy drive that is having problems).
EXAMPLE: If the problem is with the 'A:' drive, type the following at the DOS prompt:
COPY A:\*.* NUL

Question:


Does an error appear when copying files to a NUL device?

Responses:


Yes, error when copying files to NUL device
No, no error copying files to NUL device