At the heart of GitHub is an open source version control system (VCS) called Git. Git is responsible for everything GitHub-related that happens locally on your computer.
You can connect to GitHub using the Secure Shell Protocol (SSH), which provides a secure channel over an unsecured network.
You can create a repository on GitHub to store and collaborate on your project's files, then manage the repository's name and location.
Create sophisticated formatting for your prose and code on GitHub with simple syntax.
Pull requests let you tell others about changes you've pushed to a branch in a repository on GitHub. Once a pull request is opened, you can discuss and review the potential changes with collaborators and add follow-up commits before your changes are merged into the base branch.
Keep your account and data secure with features like two-factor authentication, SSH, and commit signature verification.
Putting your existing work on GitHub can let you share and collaborate in lots of great ways.
Learn to work with your local repositories on your computer and remote repositories hosted on GitHub.
You can create a website directly from a repository on GitHub.com.
All GitHub docs are open source. See something that's wrong or unclear? Submit a pull request.
Or, learn how to contribute.