catchOS

A monolithic kernel, plus some userland applications for Intel x86 (non POSIX-compliant).

http://www.read.seas.harvard.edu/cs161/2018/pset5/

https://linux-kernel-labs.github.io

sudo apt install build-essential nasm genisoimage bochs bochs-sdl libsdl2-2.0 qemu-system-x86
git submodule update --init

./run.sh

Kernel's features:

• Symmetric Multiprocessing (SMP)
• 32-bit protected memory
• Heap allocation
• Preemptive multi-tasking
• A shell
• Userland programs that will probably run in ring 0