@requiem This is why I'm a big fan of OSes you can build from source.
#Gentoo is fantastic in this regard, you can turn stuff on and off at build time trivially.
You might also find #CollapseOS of interest if you're interested in taking a "modern retro" approach to all of this. https://collapseos.org/ It's designed to be ported to *anything* and it's written in #Forth which is arguably even more portable than #C.
As you say, your #VIC20 didn't delete stuff out from under you.
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