Here is a hyper-document composed of the Pluta Brothers Design articles. You may scroll through and select your desired text and start Reading!
Practical RDi: Exploring RDi 9.6, Part 1
Practical RPG: NULLs in DDS-Defined Files
Practical RPG: A Utility Program to Build On
Practical RPG: APIs, Part 3 – Complex Parameters
Practical RPG: APIs, Part 2 – Changing Objects Using the QLICOBJD API
https://www.mcpressonline.com/programming/rpg/practical-rpg-apis-part-1-error-handling
