FreeDOS

FreeDOS is a free and open source operating system. It is made to work just like MS-DOS. Almost all programs that will run on MS-DOS will run on FreeDOS too. It was created because Microsoft did not want to make MS-DOS anymore. FreeDOS can be installed with a floppy or with a CD.

FreeDOS

FreeDOS 1.1 default shell, FreeCOM
Developer	Jim Hall & The FreeDOS team
Written in	Assembly Language, C
OS family	DOS
Working state	Current
Source model	Open source[1]
Initial release	12 January 1998; 27 years ago (1998-01-12)[source?]
Latest release	1.4[2]  / 5 April 2025; 3 months ago (5 April 2025)
Repository	github.com/FDOS
Available in	English, German, Dutch
Platforms	x86
Kernel type	Monolithic kernel
Influenced by	MS-DOS
Default user interface	Command-line interface (COMMAND.COM)
License	GNU GPL[3] with various different licenses for utilities
Official website	freedos.org