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🐧 000OS — A Lightweight Linux Distribution

000OS is a minimal Linux-based operating system built from scratch using the official Linux kernel and BusyBox utilities.
It’s designed to be lightweight, fast, and simple, serving as a compact demonstration of how a Linux system boots and runs with just the essentials.

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🧠 About

000OS was created as a weekend side project to explore how a Linux system can be assembled from the ground up — from kernel to bootable ISO — using only open-source components.

It boots directly to a BusyBox shell, providing a clean and minimal command-line environment.
There’s no package manager, desktop environment, or extra services — just the Linux kernel, BusyBox tools, and a simple init system.

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⚙️ Features

• Lightweight and minimal (< 20 MB ISO)
• Fully bootable on BIOS and UEFI systems
• Built with the mainline Linux kernel
• Includes BusyBox userland utilities
• Works with QEMU, VirtualBox, and real hardware
• Quick boot time and low memory usage

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🖥️ Requirements

• x86_64 CPU
• 512 MB RAM or more
• QEMU, VirtualBox, or a physical machine for testing

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💿 Running 000OS

You can boot the generated ISO on:

• QEMU

  qemu-system-x86_64 -m 1024 -cdrom 000OS.iso -boot d

• VirtualBox
  • Create a new VM → Type: Linux (64-bit)
  • Attach 0000S.iso as a virtual optical disk
  • Start the VM

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🧑‍💻 Credits

• Linux Kernel — Linus Torvalds
• BusyBox — BusyBox Project

Huge thanks to both projects for making minimal Linux systems possible.

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📜 License

This project is open-source and intended for personal and educational use.
All included components retain their original licenses (GPLv2 for the Linux kernel and BusyBox).

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000OS — a simple weekend experiment in building Linux from scratch.