A virtual drive management program. You can create up to eight virtual drives and each drive will correspond to a folder on a real drive. Eg D:\UTILS\WORDPLUS\LETTERS\ could be assigned as virual drive N. This means that you can access the folders's contents by simply opening Drive N ,and all file operations using drive N will be redirected to D:\UTILS\WORDPLUS\LETTERS\. As well as you can turn write verify on or off for each drive, or write protect certain drives via just software control.