little bit about RPG/400

  RPG in the Sixties :-
 
- 1960
- High Level Language
- Fixed- Logic Cycle
- Indicators
- Batch Oriented
- Card based machines

RPG II - RPG III :-
- 1970
- Mid- range Systems
    . System/3
    . System/32
    . System/34
    . System/36
- Interactive applications
  . Disk processing support
  . Workstastion support
- Structured program design for efficientcy
- DBMS grew in sophistication
- System/38
 
RPG/400 :-
-1990
-AS/400
-Enhancements
     . New operation codes
     . Named constants
     . Initialization subroutines
     . Source Code indentation
- Embed SQL statements in RPG code

Thank you guys. I hope this is work full to you.