* Stanford PDP-1 Time-sharing System → SAIL → WAITS* Time Sharing Ltd. (TSL) on DEC PDP-10 systems → Automatic Data Processing (ADP), first commercial time-sharing system in Europe and first dual (fault tolerant) time-sharing system.
* Stanford PDP-1 Time-sharing System → SAIL → WAITS* Time Sharing Ltd. (TSL) on DEC PDP-10 systems → Automatic Data Processing (ADP), первая коммерческая система распределения времени в Европе и первая двойная (fault tolerant) система распределения времни.