Special Real Time Operating System

Special Real Time Operating System (SRTOS) is a discontinued IBM real time operating system, originally designed for use in the electricity industry, but later also applied in other areas of industrial process control.^[1][2][3] It formed part of the Realtime Plant Management System (RPMS) and Advanced Control System (ACS).^[3][4] Rather than a standalone operating system, it was designed as an extension to the OS/VS1 and OS/VS2 (later MVS) operating systems.^[1][4] It was also used in the paper industry.^[5] SRTOS was originally released in 1976,^[1] and though no longer supported as a program product, it is currently used as part of several ACS and RPMS installations worldwide.^[4]

Special Real Time Operating System (SRTOS)

Developer	IBM
Working state	Discontinued
Initial release	1976; 49 years ago (1976)
License	Proprietary

References

1. IBM System/370 Special Real Time Operating System Programming RPQ Z06751 Description and Operation Manual (PDF). IBM. November 1984. Retrieved 2016-09-24.
2. Mini/Micro Northeast conference record. Electronics Conventions. 1984. p. 38. OCLC 10327934.
3. Advances in Instrumentation: Proceedings of the ISA International Conference and Exhibit, Volume 43, Parts 1-4, Instrument Society of America, 1988, p. 104
4. "ADVANCED CONTROL SYSTEM VERSION 2 AND REALTIME PLANT MANAGEMENT SYSTEM". Archived from the original on 27 September 2016. Retrieved 1 September 2024.
5. TAPPI Journal (Technical Association of the Pulp and Paper Industry), 1991, p. 270