Ace Operating System Project
An open source operating system for X86 architecture. It also contains documents, specifications explaning various hardware.
ACM Special Interest Group for Operating Systems
Tutorial for writing an operating system and links to group members' projects.
Agnix
An open source project, which has been founded to provide an educational, network operating system kernel.
The Basic Kernel Source Code Secrets
By William Jolitz and Lynne Jolitz (authors of 386BSD OS). Good book to learn the kernel internals of 386 architecture operating systems.
Bona Fide OS Development
OS development information and tutorials. Links.
Bootstrap Tutorial
How to write a bootstrapper.
Cottontail OS Development Library
Old non-updated mirror online library covering a plethora of OS development topics. Datasheets, tutorials, reference manuals and hardware programming information.
CS 3210 Design of Operating Systems
A course in operating systems with a focus on the design and construction of a modern OS kernel.
DBLP Bibliography: Operating Systems
Links to many operating systems journals on the web.
Groovyweb: Operating system programming
An open source os written in Turbo C (for DOS/ windows) and nasm (Windows/Dos/Linux) as well as two exclusive tutorials on how to write an operating system.
Inter-Process Communication Tutorial
Interactive tutorial about message passing, semaphores, and monitors.
Introduction to Operating Systems and Systems Programming
Course details and material.
KernelCode
News and reviews of kernels.
KernelNewbies.org
Resources for programmers new to kernel hacking. Example code, FAQs, utilities for debugging modules.
LusitanOS
Open source operating system, planned to be an OS entirely made by Portuguese people and built mainly as a way of self-learning and research on operating systems development. [Open source]
The Operating System Developers Homepage
Index of operating systems and links to resources for programmers.
Operating System Index
A list of educational and experimental operating systems aiming to help developers who are looking for code examples.
Operating System Lecture Notes
Notes on operating system theory, source code of describing actual construction of operating system in C programming language. Also OS construction related links to books, notes, tutorials, and news groups.
Operating Systems and System Software
Contains sources of a minimal kernel, a new CPU scheduler for Linux, multithreading in Linux, systems software in DOS and collection of good reference material for OS lovers.
The Operating Systems Resource Center
Extensive information about booting, file systems, memory, architecture, and interfacing with other devices.
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