GS/OS
 | |
| Developer | Apple, Inc. |
|---|---|
| Source model | Closed source |
| Initial release | GS/OS System 4.0 (1988) |
| Latest release | GS/OS System 6.0.1 (1993-05-06) |
| Supported platforms | 65C816 |
| User interface | Finder |
| License | Proprietary |
GS/OS is a 16-bit operating system made for the Apple IIGS. Like macOS and A/UX, this OS uses Finder as the default UI and file manager.
