TVTSUG

TVTSUG is an operating system developed by Theorysonic for Portosic TV players and smart TVs.

History
The first version was released on November 2001, it has mutlimedia pplications, internet capibillity via modem or ethernet, channels, and no HD support.

Theorysonic invented Smart TVs and it was first introduced in 2003 with a TVOS 2 update.