Complex sentence: It remains a popular programming language on the IBM Power i platform as well as on the current IBM i where the current version, RPG IV (a.k.a. ILE RPG), provides a modern programming environment.
Split into simpler sentences: It remains a popular programming language on the IBM i operating system, which runs on IBM Power i platform hardware. The current version, RPG IV (a.k.a. ILE RPG), provides a modern programming environment.