I have a problem to with a Toshiba laptop computer. In order to use the restore CD, Vista needs to be installed in the first partition. If I want to install DOS it needs to be installed in the first partition. I think my partitioning software "Bootit NG" is written with Dr. DOS and seems to work in its own partition. If I converted my Quick Basic code to Dr. DOS Basic could it be run in its own partition in any location? If so where can I get a Dr. DOS operating system? Any information about conversion difficulties would be appreciated.