web directory

MikeOS

Tool to learn: how simple OSs work, OS development, x86 assembly language; simple code, ample documentation, often add new features on request. Open source.

Kaneton Microkernel

Goal: provide all students need to learn OS concepts: basic functions, kernel internals, microkernel architecture, to advanced distributed concepts, and to develop theirs, step by step.

Nachos/486

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]

NACHOS

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]

RCOS

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.

Amateur OS: AMOS

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--.

SunriseOS

Tiny operating system written in Assembly, via NASM, by ICT student. Meant for only fun and learning. [Open Source]