There's an ancient IBM manual, long out of print, called:
Application Programming: Application Development by Example
I have SC21-9852-0 on mine. The one I have looks like a photocopy job and
it's 3/4" thick.
It was quite excellent in teaching you all this. Exactly what you want.
But, it's been out of print so long it was very early RPG and it was even
before some enhancements to SEU and whatnot.
I do not know if it exists in PDF form.
It also doesn't do a think with anything whatsoever with SQL.
Basic system operations:
Focusing on these subsections:
Using system interfaces
Working with devices
Working with printer output
Study everything in: IBM i concepts
The Programming link has some good stuff:
See "New to IBM i"
It tries to send you to a link which doesn't work:
I suggest this one instead:
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