history of rpg

1. RPG is a high-level programming language (HLL) for business applications.
2. RPG_REPORT PROGRAM GENERATOT
3. Developed by IBM in 1959 as the Report Program Generator 
4. The current version, RPG IV (a.k.a. ILE RPG)
5. RPG II was introduced with the System/3 series of computers.
   RPG III was created for the System/38 and its successor the AS/400.
   DE/RPG or Data Entry RPG was exclusively available on the IBM 5280 series
   RPG/400 was effectively RPG III running on AS/400.
   RPG IV (a.k.a. RPGLE and ILE RPG[2]) was released in 1994  

REFERANCE
RPGLE online TRainong