TSS/8
              < TSS 
 
            
          | Developer | Digital Equipment Corporation | 
|---|---|
| Written in | ALGOL, BASIC, FOCAL, Fortran D, PAL-D | 
| Working state | Discontinued | 
| Source model | Closed source | 
| Initial release | 1968 | 
| Latest release | 8.24 / January 1975 | 
| Platforms | PDP-8 starting with the PDP-8I model | 
| Kernel type | Time-sharing operating systems | 
| Influenced by | TSS/360 | 
| Default user interface | Command-line interface | 
| License | Proprietary | 
| Succeeded by | PS/8 and OS/8 | 
TSS/8 is a discontinued time-sharing operating system co-written by Don Witcraft and John Everett at Digital Equipment Corporation in 1967. DEC also referred to it as Timeshared-8 and later the EduSystem 50.: p.2-15
The operating system runs on the 12-bit PDP-8 computer starting with the PDP-8I model and was released in 1968.