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Free operating system for Atari computers, and more.
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Linux For Christians
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GobLin: The GNU/Linux Operating System for Governments
A cute and educational x86 OS
Memory manager for Free Pascal
A microkernel-based multiserver operating system written from scratch.
The smallest and the most powerful operating system.
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A free Windows-compatible Operating System
An android custom ROM based on AOSP,which provides a stock experience
an MS-DOS compatible OS, written in Pascal and i8086 assembly
humbly smart Operating System - Debian derivative
Legacy Release only. Get latest Edition here: http://www.openqrm.com.
The most advanced jailbreak tool
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