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Language peer sets for APG:
United States
United States/1974
Designed 1974
1970s languages
Fourth generation
High Cold War


alternate simple view
Country: United States
Designed 1974

for Applications Program Generator

PL/I-like IBM generator language for the system/7 RT OS, used for programming by example etc, similar approach to RPG

IBM San Jose Lab

Generated JCL code which was then run by the OS

Drawback was the length of time to produce the code

Related languages
JCL APG   Targetting
PL/I APG   Subset
RPG III APG   Influence

  • IBM (1975) IBM "Understanding APG/7" SH20-9513
  • [IBM] (1975) IBM System/7 Application Program Generator (APG/7) General Information Manual, IBM Systems Library, GH20-1162.
  • [IBM] (1975) IBM: MSP/7 Installation Guide, GC34-0031, IBM Systems Library
  • (1975) IBM: Understanding MSP/7 GC34-0027
  • [IBM] (1975) Introducing IBM Facility ControllPower Management 2, 2M, and 3 General Information Manual, IBM Systems Library GH30-0094
  • Shah, M. J. (1975) Shah, M. J. "A fill-in-the-blanks approach to generating a real time control system," Proceedings of the IBM Automatic Programming Symposium, Yorktown Heights, 1975, IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598
  • [IBM] (1975) System/7 APG/7 Power Management Handbook, IBM Systems Library, SB30-0617
  • Raimondi, D. (1976) Raimondi, D. L.; Gladney, H. M.; Hochweller, G.; Martin, R. W. and L. L. Spencer, LABS/7-a distributed real-time operating system IBM Systems Journal 15, No. I , 81-101 (1976)
  • [IBM] (1976) System/7 Event Driven Executive Program DescriptionlOperations Manual, IBM Systems Library SB30-0812
  • Shah, M. J. (1979) Shah, M. J. "Automatic programming for energy management using sensor based computers" IBM Systems Journal 18(3) 1979 Extract: APG Extract: APG
  • Harrison, Thomas J.; Landeck, Bruce W.; St. Clair, (1981) Harrison, Thomas J.; Landeck, Bruce W.; St. Clair, Hal K. "Evolution of Small Real-Time IBM Computer Systems" IBM J. RES. DEVELOP. VOL. 25 NO. 5 SEPTEMBER 1981 Extract: APG
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