| Type | operating system, disk operating system |
|---|---|
| Developer | Apple Inc. |
| First release | 1978 |
| Latest version | 3.3 |
| Written in | Assembly language |
| Successor | Apple ProDOS |
Sources: Wikidata (CC0) · Wikidata Q621234
Operating systems · 2
| Operating system | Developer | First release | License |
|---|---|---|---|
| Apple Pascal | Apple Inc. | — | — |
| Apple SOS | Apple Inc. | — | — |