High Quality Content by WIKIPEDIA articles! Originally the project Doscore was known as Phoenix OS but because there was a Linux distribution carrying the same name, the project was scrapped and reborn as Doscore. The original Phoenix OS plans were far too ambitious and were also scrapped. Doscore is a FreeDOS-based LiveCD distribution developed by a community of DOS users. There are no full ambitions or goals for Doscore but it does aim to be a graphical user interface distribution with the heart of "FreeDOS".