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This category covers operating systems (OSs) which were created, and have as a main or major purpose, to educate and teach about OS concepts, design, programming, and/or larger, more general system issues; and/or support other types of education (networking, mathematics); OSs existing solely or in large part, to educate. Mostly the links in this category point to other OS categories and OSs ... [MORE]
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AcadOS
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Academic Operating System, goals: to expose students to more modern ideas than older OSs, to basic OS mechanisms, to OS and language design and prototyping; old version, ideas for new microkernel version.
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Amateur OS: AMOS
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Scott Billingsley's OS: realtime for DSP and amateur radio, one user/application, 16-bit real mode, for i386+, FAT 12/16; no TSRs, library of routines to program into apps, minimal kernel support (minimize interrupts), written in NASM assembly and Sphnix C--.
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KOS
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Kid Operating System. Modular (run-time dynamic linking), preemptive multitasking, to have SVR4-like VM. Begun 1998 by young programmers, most of them students. Goal: not obtaining OS, but learning OS internals and functioning of x86 processors. Downloads, links, documentation. [Open Source, GPL]
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NACHOS
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Not Another Completely Heuristic Operating System: teaching OS coded in C++ subset, developed at UC Berkeley for OS and Systems Programming classes; now used worldwide. Descriptions, FAQ, port and bug lists, assignments, downloads. [Open Source]
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Nachos/486
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Port, extension of instructional OS, now stand-alone, protected mode, multithreaded, compiles in FreeBSD to run on i486+, can be relinked without recompile. Descriptions, report (HTML, PDF, PS), download. [Open Source]
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RCOS
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Ron Chernich's OS: computer learning tool animates operation of multi-tasking OS; true OS, runs programs; object-oriented, message passing kernel lets parts be replaced easily, C++ coded, portable, runs on DOS, RCOSjava precursor.
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ShawnOS
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Sure as Hell Ain't Windows Ninety five, the corner cutting OS due to the original schedule. Always intended more as a learning experience for author and others than as a practical, useful OS. Everything done as simply as possible. [Open Source, GPL]
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SunriseOS
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Tiny operating system written in Assembly, via NASM, by ICT student. Meant for only fun and learning. [Open Source]
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Topsy
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Teachable Operating System: tiny multithreaded messaging microkernel, in ANSI C; protected threads, memory managed, and thread/process control. From undergraduate course on concurrency, device programming, OS concepts. Descriptions, documents, theses, downloads, contacts, links. [Open Source, GPL]
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