June 21st, 2019 celebrates the 31st birthday of the IBM i platform. For a detailed review of that history, head over to the blog post at Fresche Solutions. Here are some detailed history diagrams you can use anywhere.
Larry helps us understand TIMI (Technology Independent Machine Interface) and more.. Other references: Steve Will wrote a blog about TIMI. Getting Started with IBM i on developerWorks. IBMi25 Celebration. IBM i Performance Secrets Revealed.