Data General DOS/RDOS
Early computers made by Data General could run an OS known as DOS or RDOS. Note that DOS just stands for "Disk Operating System" and many companies used the term, there is no affiliation with Microsoft's DOS.
Early computers made by Data General could run an OS known as DOS or RDOS. Note that DOS just stands for "Disk Operating System" and many companies used the term, there is no affiliation with Microsoft's DOS.