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| VSTa | |
|---|---|
| Developer | Andy Valencia |
| OS family | Unix-like |
| Working state | Discontinued |
| Source model | Open-source |
| Final release | 1.6.8 / October 5, 2004; 21 years ago (2004-10-05) |
| Available in | English |
| Update method | Compile fromsource code |
| Supported platforms | Intel 80386,Motorola 68030 |
| Kernel type | Microkernel |
| Default user interface | Graphical user interface |
| License | GNU General Public License |
| Official website | www |
Valencia's Simple Tasker (VSTa) is anoperating system with amicrokernel architecture, with alldevice drivers andfile systems residing inuserspace mode. It mostly complies with the Portable Operating System Interface (POSIX), except where such compliance interferes with extensibility and modularity. It is conceptually inspired byQNX andPlan 9 from Bell Labs. Written by Andy Valencia, and released under aGNU General Public License (GPL). As of 2020, the licensing for VSTa isCopyleft.
It was originally written to run onIntel 80386 hardware, and then wasported to several different platforms, e.g.,Motorola 68030 basedAmigas.
VSTa is no longer developed. A fork, namedFlexible Microkernel Infrastructure/Operating System (FMI/OS), did not make a release.[1]
The defaultgraphical user interface provided as a tar-ball with the system wasManaGeR (MGR).
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