--- breadcrumbs: [] page_name: chromium-os title: Developer Library --- The ChromiumOS Developer Library is the authoritative collection of resources and materials that enable engineers to efficiently develop the platform.
## [Getting Started](/chromium-os/developer-library/getting-started) Whether you are new to ChromiumOS development or unpacking a new workstation, the Getting Started guide provides step-by-step instructions to go from an empty directory to building and uploading changes for review. For a more in-depth view of ChromiumsOS Development, please check out the [ChromiumOS Developer Guide](/chromium-os/developer-library/guides/development/developer-guide). ## [Reference](/chromium-os/developer-library/reference) The Reference section contain information about the systems developers rely on including tools, infrastructure, APIs, technologies and terms. Reading through these resources will give you a deeper understanding of which systems exist, how and why they were created, and how these pieces fit together in the development process. ## [Glossary](/chromium-os/developer-library/glossary) This page provides a glossary of commonly-used terms and acronyms within the ChromiumOS development ecosystem.
## [Guides](/chromium-os/developer-library/guides) Guides help you get specific tasks done. They answer the question of 'How do I?' Look here for common recipes, tips-and-tricks, and advice to help you get your tasks done. ## [Training](/chromium-os/developer-library/training) Develop your skills by accessing learning-based content such as code labs, presentations, and training session videos. ## [Contributing](/chromium-os/developer-library/contributing) Looking to add or update content in the library? Read through this short guide to understand how to check out the library source and upload your change for review.