<ul data-eligibleForWebStory="true">Git is a crucial tool for tracking code changes, collaboration, and version control.Key concepts include repository, commit, branch, merge, and remote repositories like GitHub.Commands like git init, git add, and git commit are essential for using Git.Common mistakes include forgetting to stage changes before committing and writing vague commit messages.Practice exercises like branching, reverting changes, and remote repositories help solidify Git understanding.