Fuchsia is Not Linux

A modular, capability-based operating system

This “book” is a collection of topics describing the Fuchsia operating system. Sections will be populated over time.

Zircon Kernel

• Concepts
• System Calls / VDSO (libzircon)
• Boot Sequence

Zircon Core

• Device Manager & Device Hosts
• Device Driver Model (DDK)
• C Library (libc) & POSIX IO (libfdio)
• Process Start / ELF Loading (liblaunchpad)

Framework

• Core Libraries
• Application model
  • Interface description language
  • Services
  • Environments
• Boot sequence
• Device, user, and story runners
• Components
• Namespaces
• Sandboxing
• Story
• Module
• Agent
• Links

Storage

• Block devices
• File systems
• Directory hierarchy
• Ledger
• Document store
• Application cache

Networking

• Ethernet
• Wireless
• Bluetooth
• Sockets
• HTTP

Graphics

• Vulkan driver
• Physically-based renderer
• Compositor
• Input manager
• View manager
• Toolkit

Media

• Audio
• Video
• DRM

Intelligence

• Context
• Agent Framework
• Suggestions

User interface

• Device, user, and story shells
• Stories and modules

Backwards compatibility

• POSIX lite
• Web runtime

Update and recovery

• Verified boot
• Updater

Developer tools

• Building
  • How to build
  • Build system overview
• Testing
• Debugging
• Tracing
• Toolchain