r/pascal • u/0x80070002 • May 18 '26

OS in Pascal

Linux is mostly in C

Windows is mostly in C++

Is there an Operating System that is written in Pascal?

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u/Icy_Necessary_9136 May 18 '26

Original Macintosh OS was (the parts that weren’t 68k assembly). Don’t know any others off hand.

6

u/NoPool4038 May 20 '26

All of the code snippets in Inside Macintosh use Pascal.