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Operating system development

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CapedOwl
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07 Jul 2025, 8:53 am

CapedOwl wrote:
maybe aim lower: for example, start with constrained hardware - say, an RP2350, and ask yourself if you can create an homage to some tiny, defunct OS with a simple GUI (like NextStep OS; bringing back WindowMaker, or maybe PalmOS or GeOS) on it.

Fantastic example of such a project:

a "web OS" based on the Apple Lisa's UI, with 1-bit graphics (lisagui.com)

https://alpha.lisagui.com/


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CapedOwl
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10 Jul 2025, 9:30 pm

A video explaining GEOS, which ran in 1 MB of RAM:


As to the RP2350-based "constrained hardware" I mentioned earlier, here's the "Pimoroni Pico Plus 2 W", which has 8MB of PSRAM, 16MB of flash storage:

https://shop.pimoroni.com/products/pimo ... 2811942995


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NoEye
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22 Aug 2025, 3:04 am

Why don’t you try Pintos? My college uses it to practice making OS. It is difficult as hell, but worth trying.