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| Developer | Norsk Data |
|---|---|
| Written in | Nord Programming Language |
| Working state | Discontinued |
| Source model | Closed-source |
| Initial release | 1974; 51 years ago (1974) |
| Final release | Final / 1992; 33 years ago (1992) |
| Available in | English |
| Update method | Compile fromsource code |
| Platforms | Norsk Dataminicomputers |
| Kernel type | Monolithicreal-time |
| Default user interface | Command-line |
| License | Proprietary |
| Preceded by | Sintran I, Sintran II |
Sintran III is areal-time,multitasking,multi-useroperating system used withNorsk Dataminicomputers from 1974. Unlike its predecessorsSintran I and II, it was written entirely by Norsk Data, inNord Programming Language (Nord PL, NPL), an intermediate language for Norsk Data computers.[1][2]
Sintran was mainly acommand-line interface based operating system, though there were severalshells which could be installed to control the user environment more strictly, by far the most popular of which wasUSER-ENVIRONMENT.
One of the clever features was to be able to abbreviatecommands andfile names between hyphens. For example, typingLIST-FILES would give users several prompts, including for print, paging etc. Users could override this using the followingLI-FI ,,n, which would abbreviate theLIST-FILES command prompt and bypass any of the prompts. One could also refer to files in this way, for example, withPED H-W: which would refer toHELLO-WORLD:SYMB if this was the only file havingH, any number of characters, a hyphen-, aW, any number of characters, and any file ending.
This saved many keystrokes and would allow users a very nice learning experience, from complete and self-explanatory commands likeLIST-ALL-FILES toL-A-F for an advanced user. (The hyphen key on Norwegiankeyboards resides where the slash key does on U.S. ones.)
Now that Sintran has mostly disappeared as an operating system, there are few references to it. However ajob control orbatch processing language was available named JEC, believed to be named Job Execution Controller, this could be used to set up batch jobs to compileCOBOL programs, etc.
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