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

# System & Data management

- [Adding external layers](https://docs.ellipsis-drive.com/advanced-usage/adding-external-wms-wmts-and-wfs-layers.md)
- [Downloading data](https://docs.ellipsis-drive.com/advanced-usage/downloading-data.md)
- [Processing Units](https://docs.ellipsis-drive.com/advanced-usage/processing-units.md)
- [Changing the host location](https://docs.ellipsis-drive.com/advanced-usage/changing-the-host-location.md)