ToAruOS: A Hobby Kernel & User-Space, Runs Mesa & GCC

Written by Michael Larabel in Operating Systems on 6 November 2014 at 05:07 PM EST. 10 Comments
ToAruOS is a hobby kernel and user-space that can form a working operating system with some common open-source third party libraries. ToAruOS has been in development for nearly four years and was born at the University of Illinois at Urbana-Champaign.

ToAruOS is an open-source operating system mostly written from scratch for its key components. The ToAruOS kernel supports many Unix-like features including process/thread support, ELF binary support, pipes and TTYs, virtual file-system support, EXT2 file-system support, etc. The user-space to the operating system features a custom built Cairo-powered composited window manager, a terminal emulator, and other demo applications.

Third-party software support by ToAruOS includes GCC, binutils, libpng, FreeType, Cairo, Pixman, Mesa with using its software rasterizer, and Vim. There's also ports in process for Lua, SDL2, Bochs, and Python, among other applications.

Those having some time to spare and wish to learn more about this latest open-source hobbyist operating system can stop by this GitHub project page.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

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