Life & fun · September 18, 2025
I wrote an OS in 1000 lines of Zig
In plain words
This is a minimal operating system written in Zig, implemented in approximately 1000 lines of code. It demonstrates core OS concepts in a compact form. The project is intended for developers interested in low-level systems programming, OS architecture, and the Zig programming language. It serves as an educational resource for understanding how operating systems function at a fundamental level. The source code is available on GitHub for anyone to review and build upon.
written from the facts on this page · September 2026
Does a similar job
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I've wanted to make my own OS since I started programming. Now, 5 years later, I did it (kind of). Sure, it is really basic, has very little functionality, but I made it and I'm proud of that. Oh, and I'm just 16 btw.
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I believe the best way to learn a language is by doing an in-depth project. This is my first Zig project intended for learning the ropes on publishing a Zig package. It turns out to be quite solid and performant. It might be a bit over-engineered. This little library is packed with the following features: - Building dependency graph from dependency data. - Performing topological sort on the dependency graph. - Generating dependence-free subsets for parallel processing. - Cycle detection and cycle reporting.
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This is my operating system that I've been working for the past 2 years. All of the code is written exclusively by me except from ported software. banan-os has a monolithic kernel targeting x86 (i686) and x86_64 architectures. The project consists of bootloader, kernel and userspace libraries (libc, libGUI, libFont, ...). It also uses my custom C++ standard library partly based on stdc++. Currently I have basic TTY and GUI environment with some of the basic UNIX utilities like cp, ls and stat. I have basic support for USB (keyboard/mouse/storage), disks (NVMe, AHCI), custom…
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