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MontaukOS/README.md
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# The Montauk Operating System
MontaukOS is an operating system written in modern C++. It runs on bare metal and supports various applications, including DOOM, a Wikipedia client, and standard desktop utilities.
![MontaukOS screenshot](images/MontaukOS-2.png)
## Features
* Modern preemptive multitasking kernel
* Multi-user userspace with desktop environment and command line
* PCI-e support and drivers for Intel GPU and e100e Ethernet for graphics and networking on real hardware
* ACPI support with AML interpreter, including S3 sleep and ACPI shutdown
* Support for USB including input devices (keyboard/mouse), along with PS/2 input support
* Support for Intel High Definition (HDA) audio devices
* Userspace and kernel audio support
* Support for (some) Intel Bluetooth devices, userspace Bluetooth management app
* Support for the GPT partition table
* VFS using numbered drive identifiers with support for ext2 and FAT32 filesystems
* Support for AHCI and NVMe SSD drives
* Support for UEFI Runtime Services, including power management calls (shutdown/reboot)
* Customizable desktop environment with 12+ graphical apps, including a terminal emulator, file manager, Wikipedia client, weather app, DOOM, and more
* Modern icon pack (Flat Remix) used in desktop environment
* Support for TrueType font, JPEG image, and SVG icon rendering
* Networking including TCP/IP stack, UDP, DNS, DHCP and TLS via BearSSL
* Command-line IRC client
* Live viewable kernel log from GUI
* Mandelbrot set renderer
* PDF viewer app with full support for text (inc. baked-in TrueType fonts) and some graphics
* Userspace Music app with support for MP3 and WAV files
* 2D game engine and demo game with fantasy tileset
## Goal
The goal of the MontaukOS project is to create a modern and unique operating system that runs on both emulators and on real hardware. The kernel and included userspace applications are written in modern C++.
## History and methodology
Development started in early 2025, as a hand-written toy kernel. The first published Git commit was on Feb 27, 2025. In early 2026, Claude Opus 4.6 began being used to accelerate development of the kernel and userspace.