Additionally if one were to get really picky (as pointed out by Frank Soltis in a COMMON presentation) the OS is really the LIC which straddles the virtualization layer (TIMI) between hardware and the software just above it. IBM i is the human interface and a large group of applications that live above that.

Too deep in the weeds for most except true computer scientists.

TIMI = Technology Independent Machine Interface.


Jim Oberholtzer
Agile Technology Architects

On Feb 7, 2025, at 10:59 AM, Patrik Schindler <poc@xxxxxxxxxx> wrote:

Hello Jim,

Am 07.02.2025 um 17:09 schrieb Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>:

Actually it's two steps.

LIC load (C200xxxx to C600xxxx) level would equate to IMPL
C900xxxx would imply IPL (Initial Program Load) for the IBM i system.

You are correct, they tend to get lumped together as IPL. (Just being
picky about terminology)

Thanks for explaining. I can't remember to have read the term IMPL until this very day.

:wq! PoC


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