# 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 - [Permissions](https://canonical.com/lxd/docs/default/reference/permissions/index.html.md): When managing user access via Fine-grained authorization, you add identities to groups and then gran... ## Optional - [Top-level llms.txt](https://canonical.com/lxd/docs/default/llms.txt): Complete documentation index.