TomOS – a simple 16 bit operating system for x86. It is based on MikeOS version 2.0.0. It is entirely written in the assembly language. TomOS is an educational project.
– Mouse support.
– 8KB RAM available for applications.
– FAT 12 support.
– Approximately 90 system calls.
The code is completely open source (under a BSD-like license), and is written by Tomasz Gorol and other developers.
TomOS 0.4.1 i686 116KB.tar.gz