Valencia's Simple Tasker (VSTa) is an operating system with a microkernel architecture, with all device drivers and file systems residing in userspace mode. It mostly complies with the Portable Operating System Interface (POSIX), except where such compliance interferes with extensibility and modularity. It is conceptually inspired by QNX and Plan 9 from Bell Labs. Written by Andy Valencia, and released under a GNU General Public License (GPL). As of 2020, the licensing for VSTa is Copyleft.
It was originally written to run on Intel 80386 hardware, and then was ported to several different platforms, e.g., Motorola 68030 based Amigas.
VSTa is no longer developed. A fork, named Flexible Microkernel Infrastructure/Operating System (FMI/OS), did not make a release.[1]
User interface
The default graphical user interface provided as a tar-ball with the system was ManaGeR (MGR).
References
- ^ "Code Unatio". 2011-07-23. Archived from the original on 2011-07-23. Retrieved 2017-06-16.
External links
- Official website
- http://www.vsta.org/distro/ download site
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