README.md

Fuchsia is not Linux

A modular, capability-based operating system

This document is a collection of articles describing the Fuchsia operating system, organized around particular subsystems. Sections will be populated over time.

[TOC]

Zircon Kernel

Zircon is the microkernel underlying the rest of Fuchsia. Zircon also provides core drivers and Fuchsia's libc implementation.

• Concepts
• System Calls
• vDSO (libzircon)

Zircon Core

• Device Manager & Device Hosts
• Device Driver Model (DDK)
• C Library (libc)
• POSIX I/O (libfdio)
• Process Creation

Framework

• Core Libraries
• Application model
  • Interface definition language (FIDL)
  • Services
  • Environments
• Boot sequence
• Device, user, and story runners
• Components
• Namespaces
• Sandboxing
• Story
• Module
• Agent

Storage

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

Networking

• Ethernet
• Wireless
• Bluetooth
• Telephony
• Sockets
• HTTP

Graphics

• Magma (vulkan driver)
• Escher (physically-based renderer)
• Scenic (compositor)
• Input manager
• View manager
• Flutter (UI toolkit)

Media

• Audio
• Video
• DRM

Intelligence

• Context
• Agent Framework
• Suggestions

User interface

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

Backwards compatibility

• POSIX lite (what subset of POSIX we support and why)
• Web runtime

Update and recovery

• Verified boot
• Updater