86-DOS
86-DOS (known internally as QDOS, for Quick and Dirty Operating System) is a discontinued operating system developed and marketed by Seattle Computer Products (SCP) for its Intel 8086-based computer kit.
A sample 86-DOS session (simulated) | |
| Developer | Seattle Computer Products / Tim Paterson |
|---|---|
| Written in | 8086 assembly language |
| OS family | DOS |
| Working state | Historic, unsupported |
| Initial release | 1980 |
| Latest release | 86-DOS 1.10 / July 1981 |
| Marketing target | S-100-based micro-computers with 8086 processor |
| Available in | English |
| Package manager | N/A |
| Platforms | x86 |
| Kernel type | Monolithic kernel |
| Influenced by | CP/M |
| Default user interface | Command-line interface (COMMAND.COM) |
| License | Proprietary |
| Succeeded by | MS-DOS, IBM PC DOS |
86-DOS shared a few of its commands with other operating systems like OS/8 and CP/M, which made it easy to port programs from the latter. Its application programming interface was very similar to that of CP/M. The system was licensed and then purchased by Microsoft and developed further as MS-DOS and PC DOS.
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