A story about creating a UNIX / Linux compatible OS from scratch
Hello redcap97.
I'm building a UNIX compatible OS from scratch. Now that it works to some extent, I would like to introduce it.
demo
https://github.com/redcap97/cyanurus
It is now running on top of QEMU. The CPU is made for ARM instead of x86. The shell and basic commands are working, and redirects and pipes are also available.
You can easily run the OS using Docker.
docker run -it --rm redcap97/cyanurus
Overview
- Implements 33 system calls
- System calls are compatible with Linux
- Dash can be used as the shell.
- You can use commands from Coreutils
- libc uses musl libc
- The file system implements the Minix File System
that's all.
I'm very slow to implement, so it took me about two years to make it this far. If you feel the greatness of Linus on your skin, I would like to continue making it.
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