> For the complete documentation index, see [llms.txt](https://docs.devin.fm/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devin.fm/guides/versions.md).

# Versions

 A Version is a backup of a branched file. The backup can either be a clone or a full backup and the default choice can be specified in [Project Settings](/guides/projects/project-settings.md).