hhuOS

hhuOS is an educational operating system project developed by students at Heinrich Heine University (HHU) in Düsseldorf, Germany. It is built from scratch in C and Assembly and intended as a teaching tool to help students grasp the foundations of kernel development, memory management, system calls, and multitasking. The project focuses on clarity, modularity, and hands-on experimentation with real OS components, making it suitable for OS development courses or personal exploration.

Features

Written in C and Assembly with x86_64 support
Custom bootloader and kernel setup
Simple paging-based virtual memory manager
Cooperative multitasking and context switching
Interrupt handling for keyboard and timer
ELF loader for running user programs

Project Samples

Project Activity

See All Activity >

License

GNU General Public License version 3.0 (GPLv3)

Follow hhuOS

hhuOS Web Site

Other Useful Business Software

$300 Free Credits to Build on Google Cloud

New customers can spin up VMs, build with AI, and query data at no cost.

Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.

Start Free

Rate This Project

User Reviews

Be the first to post a review of hhuOS!

Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

C++

Related Categories

C++ Operating Systems

Registered

2025-04-03

Similar Business Software

MocaccinoOS

MocaccinoOS is a modern minimal Linux meta-distribution designed to provide a lightweight, modular, and container-driven operating system experience for cloud, desktop, server, and embedded environments. Built around the Luet package manager, MocaccinoOS emphasizes static package management,...

See Software
Windows 11

Windows 11 is Microsoft’s latest operating system, designed to deliver a faster, smarter, and more intuitive PC experience. It features built-in AI through Copilot, which helps users complete tasks, generate ideas, and navigate their system more efficiently. The operating system offers improved...

See Software
DragonFly BSD

DragonFly version 6.2.2 is released. The 6.2 series has hardware support for type-2 hypervisors with NVMM, an amdgpu driver, the experimental ability to remote-mount HAMMER2 volumes, and many other changes. DragonFly belongs to the same class of operating systems as other BSD-derived systems and...

See Software
fydeOS

FydeOS is a lightweight operating system with a Linux kernel + browser platform + container technology driver; its use is very similar to Google Chrome OS. FydeOS can run smoothly on most mainstream hardware. Hardware devices installed with FydeOS can perfectly support the latest web...

See Software
OpenBSD

OpenBSD is developed entirely by volunteers. The project's development environment and developer events are funded through contributions collected by The OpenBSD Foundation. Contributions ensure that OpenBSD will remain a vibrant and free operating system. Hence the OpenBSD project has embedded...

See Software
TrueNAS

TrueNAS is the world's most deployed storage software. TrueNAS is a universal data platform that allows users to easily adopt a modern, open source approach to storing and protecting their growing data. TrueNAS is open source and harnesses the power of the legendary ZFS file system to provide...

See Software