You can upload and commit an existing file to a repository on GitHub or by using the command line.| GitHub Docs
You can attribute a commit to more than one author by adding one or more Co-authored-by trailers to the commit's message. Co-authored commits are visible on GitHub.| GitHub Docs
Create a pull request to propose and collaborate on changes to a repository. These changes are proposed in a branch, which ensures that the default branch only contains finished and approved work.| GitHub Docs
Rulesets help you to control how people can interact with branches and tags in a repository.| GitHub Docs
Learn about pull requests and draft pull requests on GitHub. Pull requests communicate changes to a branch in a repository. Once a pull request is opened, you can review changes with collaborators and add follow-up commits.| GitHub Docs
Sensitive data can be removed from the history of a repository if you can carefully coordinate with everyone who has cloned it and you are willing to manage the side effects.| GitHub Docs