Breenix OS

An experimental x86_64 operating system written in Rust.

Project Status

Breenix is a working OS with:

• UEFI/BIOS boot support
• Preemptive multitasking
• Userspace process execution
• Basic POSIX system calls
• Keyboard and timer drivers

📊 View Interactive Progress Dashboard - Visual roadmap showing POSIX compliance progress across all subsystems.

See docs/planning/PROJECT_ROADMAP.md for detailed development status.

Quick Start

# Run with QEMU (UEFI mode)
cargo run --bin qemu-uefi

# Run tests
cargo test

# Build with userspace programs
cargo build --features testing

Documentation

• PROJECT_ROADMAP.md - Development roadmap and current status
• CLAUDE.md - Development practices and documentation guide
• docs/planning/ - Detailed planning documents by phase