# auracle > Command line tool used to interact with Arch Linux's User Repository, commonly referred to as the AUR. > More information: . - Display AUR packages that match a regular expression: `auracle search '{{regular_expression}}'` - Display package information for a space-separated list of AUR packages: `auracle info {{package1}} {{package2}}` - Display the `PKGBUILD` file (build information) for a space-separated list of AUR packages: `auracle show {{package1}} {{package2}}` - Display updates for installed AUR packages: `auracle outdated`