Abel Willium
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RPG is a high-level fully procedural programming language used by businesses to create commercial business applications on IBM’s leading minicomputer system, the AS400 or iSeries. RPG has gained wide acceptance and has evolved massively since its inception. Today several ERP’s and mission critical business applications, are written in RPG based on RPG IV, because it is enabled to provide an interactive programming environment to AS400 RPG Programmers. With state-of-the-art security features and seamless integration with IoT and Watson AI; IBMi is the platform of choice for secure and data heavy business applications.

RPG has a very rich legacy and it is known to be one of the finest high level programming languages. Let us share a glimpse into the journey of RPG from a report generator tool to an ILE compatible programming language.

In 1960’s, RPG was upgraded to RPG II following the development of the IBM System/3. One of the most noteworthy aspect was the fixed format programming offered by RPG II. This meant code was written in fixed format in order to standardize the software creation process and generate the desired output.

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