Vos is a custom OS created to learn more about what kernels do and about as many low level things as possible.
| Code | Message |
|---|---|
| M | Not booted with multiboot |
| C | CPUID instruction is not supported |
| L | Long mode is not supported by the cpu |
- Blog OS - A blog explaining many things from the boot process to memory management. [MIT/Apache-2.0]
- Building an OS - A video series explaining everything including the bootloader, drivers etc. [CC-BY-SA-4.0]
- OSDev Wiki - A wiki about stuff like VGA text mode etc. includes code examples both in C and asm. [CC0]