| Type | proprietary software, operating system |
|---|---|
| Developer | Seattle Computer Products, Tim Paterson |
| First release | 1980 |
| Latest version | 1.1 |
| Platforms | Intel 8086, x86 |
| Written in | Assembly language |
| Successor | IBM PC DOS |
| Introduced | 1980 |
Sources: Wikidata (CC0) · Wikidata Q1550345
Operating systems · 2
| Operating system | Developer | First release | License |
|---|---|---|---|
| IBM PC DOS | IBM | 1981 | proprietary license |
| MS-DOS | Microsoft | 1981 | MIT License, proprietary license |