FreeDOS

FreeDOS is a free, complete, DOS-compatible operating system. It can be used to play classic DOS games, run legacy software or develop applications for embedded systems. Any program that works on MS-DOS should also run on FreeDOS. FreeDOS project founded by Jim Hall, it was started in 1994. It is opensource and distributed under GNU General Public License that means you are allowed to view and edit source code. If you find a problem, please report a bug to help improve FreeDOS. By participating in the development and debugging process, you help everyone. If you are fluent in a non-english language, please consider translating FreeDOS.