# LXD

> This is the documentation for LXD, a system container and virtual machine manager.


2014-2026 AGPL-3.0, LXD contributors

## Pages in this subsection

- [Image format](https://canonical.com/lxd/docs/default/reference/image_format/index.html.md): Images contain a root file system and a metadata file that describes the image.

## Optional

- [Top-level llms.txt](https://canonical.com/lxd/docs/default/llms.txt): Complete documentation index.