NullOS

A secure, fast and privacy-focused hobby OS.

✨ Features

Status	Feature
Done	OHCI and UHCI USB support
Done	ACPI support
Done	PCI support
Done	Framebuffer, BGA, SVGA II, virtio-gpu support
Done	IDE and AHCI support
Done	PATA, ATAPI and SATA support
Done	ext2, ext3, ext4, FAT16, FAT32 and ISO9660 support
Done	AC'97 support
Done	Initrd support
Done	Gzip decompression support
Done	GDT, IDT and SSE support
Done	Modular font system
Done	Serial port support
Done	Syscall support
Done	ELF executable support
Done	MP support
Done	Networking stack and NIC support

🛠️ Build Requirements

Linux (x86_64)	macOS (any)	Other (any)	Notes
cc	cc	cc	Host C compiler
gcc	x86_64-elf-gcc	x86_64-elf-gcc	Target C compiler
ld	x86_64-elf-ld	x86_64-elf-ld
strip	x86_64-elf-strip	x86_64-elf-strip
objcopy	objcopy	objcopy	Host objcopy
objcopy	x86_64-elf-objcopy	x86_64-elf-objcopy	Target objcopy
make	gmake	gmake
xorriso	xorriso	xorriso
qemu-system-x86_64	qemu-system-x86_64	qemu-system-x86_64
curl	curl	curl
tar	tar	tar
cpio	cpio	cpio
gzip	gzip	gzip
zstd	zstd	zstd
xz	xz	xz

🚀 Getting Started

1. Clone the repository:

# You can remove --depth=1 to clone the entire commit history (may take a while)
git clone --depth=1 https://github.com/nulloslabs/nullos.git
cd nullos

2. Build the kernel and ISO:

make # Or 'gmake' if you aren't using Linux

3. Run in QEMU:

make qemu # Or 'gmake qemu' if you aren't using Linux

Note

The root password is nullos.

📜 License

This project is licensed under the MIT License. See the LICENSE file for details.

🤝 Contributing

NullOS is maintained by NullOS Labs, a small hobby development team. Technical discussions, contributions, and bug reports are always welcome!