MyraOS – My 32-bit operating system in C and ASM (Hack Club project)
Hi HN, I’m Dvir, a young developer. Last year, I got rejected after a job interview because I lacked some CPU knowledge. After that, I decided to deepen my understanding in the low level world and learn how things work under the hood. I decided to try and create an OS in C and ASM as a way to broaden my knowledge in this area. This took me on the most interesting ride, where I’ve learned about OS theory and low level programming on a whole new level. I’ve spent hours upon hours, blood and tears, reading different OS theory blogs, learning low level concepts, debugging, testing and working on…
MyraOS – My 32-bit operating system in C and ASM (Hack Club project) launched on October 26, 2025 with 247 votes, #109 of 8,178 launches that month and more than 95% of that year's launches.
In plain words
MyraOS is a 32-bit operating system written in C and Assembly, created as a learning project to understand CPU architecture and low-level programming concepts. Built by a developer seeking deeper knowledge after a job interview revealed gaps in computer architecture understanding, the project demonstrates core OS theory through hands-on implementation. The work involved studying existing resources like OSDev Wiki and university materials, then applying that knowledge to build a functional system from the ground up.
written from the facts on this page · September 2026
From the sources
A x86 Unix-like OS made entirely from scratch. Contribute to dvir-biton/MyraOS development by creating an account on GitHub.
All these features let you run real games, just like Doom, giving the preloaded Doom port in MyraOS ready to be played! So, this isn't just a toy OS or a look-alike, it's a real OS that can run on real devices qemu-system-i386 -cdrom MyraOS.iso -drive file=fs.img,format=raw,if=ide,index=0 -m 1024 Fullscreen (if you are like me and want it to look real) qemu-system-i386 -cdrom MyraOS.iso -drive file=fs.img,format=raw,if=ide,index=0 -m 1024 -full-screen Linux Normal qemu-system-i386 -cdrom MyraOS.iso -drive file=fs.img,format=raw,if=ide,index=0 -m 1024 Fullscreen qemu-system-i386 -cdrom MyraOS.iso -drive file=fs.img,format=raw,if=ide,index=0 -m 1024 -display gtk,zoom-to-fit=on -full-screen…from github.com
In the maker’s words, at launch
Hi HN, I’m Dvir, a young developer. Last year, I got rejected after a job interview because I lacked some CPU knowledge. After that, I decided to deepen my understanding in the low level world and learn how things work under the hood. I decided to try and create an OS in C and ASM as a way to broaden my knowledge in…
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