Sintran III
| Developer | Norsk Data |
|---|---|
| Written in | Nord Programming Language |
| Working state | Discontinued |
| Source model | Closed-source |
| Initial release | 1974 |
| Final release | Final / 1992 |
| Available in | English |
| Update method | Compile from source code |
| Platforms | Norsk Data minicomputers |
| Kernel type | Monolithic real-time |
| Default user interface | Command-line |
| License | Proprietary |
| Preceded by | Sintran I, Sintran II |
Sintran III is a real-time, multitasking, multi-user operating system used with Norsk Data minicomputers from 1974. Unlike its predecessors Sintran I and II, it was written entirely by Norsk Data, in Nord Programming Language (Nord PL, NPL), an intermediate language for Norsk Data computers.