TS-UGOS 2 (codenamed Karzahni) is a graphical operating system developed and released by Theorysonic. It was released on June 1, 1987.


Theorysonic began developing TS-UGOS 2 in December 1985. The operating system and the TheoryDesk UG 2 was released to manufacturing on May 29, 1987 and became available at the 41st Abeta Festival, on June 1, 1987.

New features

  • CD-ROM support
  • Theorynet 2 browser
  • Improved performance
  • Automatic DST settings


See also

This article is a stub.

Please help this article by expanding or finishing it; if you have permission from the page owner. Additional information: None.

Community content is available under CC-BY-SA unless otherwise noted.