IBM i | AS400 | iSeries

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Programming - Everything You Wanted To Know About Subfiles But Were Afraid To Ask

Let's talk about SUBFILE programming in RPG

If you have grown up through the world of AS400 a few decades ago, or through the wonderful ISERIES machines of the early 2000's then you *maybe* are using the current  IBM i POWER SYSTEMS that replaced those old boxes.

If that's the case, in most places you are using subfiles to display information on those smelly old green screen terminals.

Writing a SUBFILE PROGRAM means knowing how to code them, ranging from simple full load, to expanding, to page at a time.

Each type of Subfile has different programming styles... so let's dive in and have a play with SUBFILES in RPG Programming.

Ready to learn?


IBM i Software Developer, Digital Dad, AS400 Anarchist, RPG Modernizer, Shameless Trekkie, Belligerent Nerd, Englishman Abroad and Passionate Eater of Cheese and Biscuits.

Nick Litten Dot Com is a mixture of blog posts that can be sometimes serious, frequently playful and probably down-right pointless all in the space of a day.

Enjoy your stay, feel free to comment and remember: If at first you don't succeed then skydiving probably isn't a hobby you should look into.