| Type | operating system |
|---|---|
| Developer | Digital Research |
| Written in | C |
| Predecessor | Multiuser DOS |
| Introduced | 1986 |
Sources: Wikidata (CC0) · Wikidata Q2560413
Operating systems · 3
| Operating system | Developer | First release | License |
|---|---|---|---|
| IBM 4680 OS | IBM | — | — |
| IBM 4690 OS | IBM, Toshiba | — | — |
| S5-DOS/MT | Siemens | — | — |