# Nub OS

## Dependencies

### Building the kernel

- `grub`
- `mtools`
- `make`
- `x86_64-elf-gcc`
- `x86_64-elf-ld`
- `nasm`

## Building

### Disk image

```sh
make iso
```

## Running

After building the iso, run the following:

```sh
qemu-system-x86_64 -cdrom .build/nub-os.iso
```

## Debugging

```sh
qemu-system-x86_64 -s -S -cdrom .build/nub-os.iso
gdb -tui .build/kernel/kernel -ex "target remote localhost:1234"
```