On GitHub, you can create, edit, move, and delete files in a repository.
You can create new files directly on GitHub in any repository you have write access to.
You can upload and commit an existing file to a GitHub repository. Drag and drop a file to any directory in the file tree, or upload files from the repository's main page.
You can rename any file in your repositories directly in GitHub. Renaming a file also gives you the opportunity to move the file to a new location.
When editing a file, you can choose to move it anywhere within your repository, even if the directory doesn't exist.
You can edit files directly on GitHub in any of your repositories using the file editor.
Using the blame view you can trace changes to lines in a file and discover how parts of the file evolved over time.
You can delete any file within your repositories on GitHub.
When viewing a file on GitHub, you can press the "y" key to update the URL to a permalink to the exact version of the file you see.