Archive of Operating Systems mission is saving the great job of many great people whose created Open Source and/or Freeware operating systems.

The archived systems are based on Linux, BSD, DOS, Solaris, and other, independent technology. Read more…

An interactive operating system that has been installed on the Cray Research Inc., Cray-1 computers at Los Alamos…
May 13, 2022

An open source project which lets you build custom appliance systems with Linux. The project started in 2011 with…
May 11, 2022

A standalone Linux distribution built from source packages. It was designed to transform an old computer into…
May 9, 2022

Cray Operating System (COS) – a Cray Research’s proprietary operating system for its Cray-1 (1976) and Cray…
May 6, 2022

LTSS (Livermore Time Sharing System) – a proprietary driven operating system developed by the Lawrence Livermore…
May 4, 2022

A standard operating system for VSMP (Cray Vector Symmetric multi-processor) computers developed by Cray Research…
May 2, 2022

NLTSS (Network Livermore Timesharing System or New Livermore Time Sharing System)- a distributed, object-oriented…
April 29, 2022

a server-only, IPS-based minimal SPARC distribution of illumos…
April 27, 2022

ARMA (Omoikane GNU/Linux) – a Linux distributions derived from Debian GNU/Linux and translated to Japanese, developed…
April 25, 2022

A powerful operating system that will turn your computer into a state-of-the-art multimedia workstation. It is…
April 22, 2022