FreeDOS FreeDOS feed

FreeDOS is an open source operating system which is compatible with MS-DOS and applications designed for this older operating environment. If you've got a legacy application that you want to keep running, whether it's a classic game, an embedded system, or simply an old application, FreeDOS can help you do it.

Learn how to get started or download this handy cheat sheet for FreeDOS.

FreeDOS fish logo and command prompt on computer

Use this FreeDOS cheat sheet to help you remember how to use the most common FreeDOS commands.
FreeDOS fish logo and command prompt on computer

FreeDOS is an old operating system, but it is new to many people. In 1994, several developers and I...
Running DOS on the Raspberry Pi

Differing CPU architectures mean running DOS on Raspberry Pi isn't effortless, but it's not very...
How to run DOS programs in Linux

QEMU and FreeDOS make it easy to run old DOS programs under Linux.
old computer

Or, why a community formed around an open source version of DOS, and how it's still being used...
4 cool facts you should know about FreeDOS

23 years after its release, learn 4 cool facts about FreeDOS.
How to upgrade your system BIOS using FreeDOS

Upgrading your BIOS can seem tricky for free software users, but it doesn't have to be.
How I got started with Linux

From physics student to the founder of FreeDOS, Jim Hall tells us how it all started with a hobby...