Two-factor authentication (2FA) is a security measure that requires a second verification factor in addition to a password when signing in. GitHub supports 2FA and passkeys, and now requires 2FA for many contributors to strengthen account security.
Git is a distributed version control system that tracks changes to files and coordinates work among multiple people.
GitHub is a cloud platform built around Git that adds collaboration, hosting, and automation features to Git repositories.
A repository is the fundamental unit of storage on GitHub that holds a project's files, history, and configuration.
A commit is a snapshot of changes recorded in a Git repository, identified by a unique hash and accompanied by a message.
A branch is a movable pointer to a line of development in a Git repository, letting work proceed in isolation from the default branch.
GitHub Flow is a lightweight, branch-based workflow for collaborating on projects.
A pull request is a GitHub proposal to merge changes from one branch into another, providing a place for review and discussion.
An issue is a GitHub item used to track tasks, bugs, enhancements, and discussion for a repository.
GitHub Actions is GitHub's built-in automation and CI/CD platform that runs workflows in response to repository events.
GitHub Copilot is an AI pair-programmer that suggests code and assists development inside editors and GitHub.
GitHub Codespaces is a cloud-based development environment configured through dev containers and accessible from the browser or an editor.
GitHub Projects is an adaptable planning tool that organizes issues and pull requests into boards, tables, and roadmaps.
EMU (Enterprise Managed Users) is a GitHub Enterprise feature where user accounts are provisioned and controlled by the enterprise's identity provider.
Two-factor authentication (2FA) is a security measure that requires a second verification factor in addition to a password when signing in.
A fork is a personal copy of another user's repository that lets you propose changes or start your own line of development.