New DOS file [ test ] open error.
∙ The DOS file to be replaced does not exist or the file could not be opened. Specify an existing DOS file.
New DOS file size [ a byte ] is larger than old DOS [ b byte ].
The size of the DOS file to be replaced is larger than the size of the DOS file to be replaced. Specify a DOS file whose size is the same as or smaller than the size of the DOS file to be replaced.