With subfiles you can create a display file with lists of items. Let's see how that's done.

In this chapter you will see how to create menus and screens in AS400.

Implementing modules can be extremely useful, especially in big applications because it allows the reuse of code in a fairly simple manner.

RPG is one of the AS400 platform pillars. Originally designed as a query tool it has been substantially enlarged, it is currently a very powerful language. Let's see how you can use it.