FreeDOS aims to be a complete, free, 100% MS-DOS compatible operating system (mostly achieved except Windows compatibility – Windows standard-mode works on FreeDOS, but 386-mode / WfW 3.11 does not.)
These days, there are three main uses for FreeDOS:
- Running classic DOS games
- Running business software that only supports DOS
- Supporting embedded DOS systems, such as a computerized cash register or till