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)
DeveloperIBM
Working stateDiscontinued
Initial release1976 (1976)
LicenseProprietary

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. IBM, ADVANCED CONTROL SYSTEM VERSION 2 AND REALTIME PLANT MANAGEMENT SYSTEM, ZP86-0320, September 2, 1986
  5. TAPPI Journal (Technical Association of the Pulp and Paper Industry), 1991, p. 270
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