FreeNOS

git clone https://github.com/nieklinnenbank/FreeNOS
sudo apt-get install xorriso
Building

$ scons iso
Booting under Qemu

$ scons qemu
Booting under Qemu with Curses console

$ scons qemu_curses
Booting under Qemu with SDL console

$ scons qemu_sdl
Booting under Bochs

$ scons bochs
Debugging under Qemu

$ scons qemu_debug
Debugging under Bochs

$ scons bochs_debug
Cleaning up

$ scons -c .
Creating a snapshot

$ scons snapshot
Creating a release