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GitHub Docs Need help? Get started Get started Account and profile Authentication Billing and payments Collaborative coding GitHub Codespaces Repositories Pull requests GitHub Discussions CI/CD and DevOps GitHub Actions GitHub Packages GitHub Pages Security Code security Client apps GitHub CLI GitHub Desktop Project management GitHub Issues Search on GitHub Developers Developers REST API GraphQL API Enterprise and Teams Organizations Enterprise administrators Community Building communities GitHub Sponsors Education Getting started Set up Git 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. Connecting to GitHub with SSH You can connect to GitHub using the Secure Shell Protocol (SSH), which provides a secure channel over an unsecured network. Creating and managing repositories You can create a repository on GitHub to store and collaborate on your project's files, then manage the repository's name and location. Basic writing and formatting syntax Create sophisticated formatting for your prose and code on GitHub with simple syntax. Popular About pull requests 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. Authentication Keep your account and data secure with features like two-factor authentication, SSH, and commit signature verification. Adding an existing project to GitHub using the command line Putting your existing work on GitHub can let you share and collaborate in lots of great ways. Managing remote repositories Learn to work with your local repositories on your computer and remote repositories hosted on GitHub. GitHub Pages Documentation You can create a website directly from a repository on GitHub.com. Did this doc help you? Privacy policy Help us make these docs great! All GitHub docs are open source. See something that's wrong or unclear? Submit a pull request. Make a contribution Or, learn how to contribute. Still need help? Ask the GitHub community Contact support © 2021 GitHub, Inc. Terms Privacy Security Status Help Contact GitHub Pricing Developer API Training Blog About