Not all drives speak the same language, and these file systems decide who understands what.
The first Mac software was called System 1 and it was released on January 24, 1984, and there have been 30 major updates since. Apple rebranded to Mac OS with the release of mac OS 8 on July 26, 1997.
Microsoft has renewed its push behind Windows, committing to "performance, reliability, and craft" with less of an emphasis on AI and more on the features customers have been asking for.
I tried a highly-customized Hyprland desktop that's meant for Linux pros - and didn't hate it ...
Planning ahead was a smart move in retrospect.