TS-UGOS 7

TS-UGOS 7 (codenamed Tuyet) is a graphical operating system developed and released by Theorysonic. It was released on August 24, 1997.

New features

 * New icons.
 * New login screen.
 * Improved performance.
 * Improved USB support.
 * Added support for animated GIF wallpapers.
 * Multiple user accounts and user switching.
 * DVD-ROM support.