# aura > The Aura Package Manager: A secure, multilingual package manager for Arch Linux and the AUR. > More information: . - Search for packages from the official repositories and AUR: `aura --aursync --both --search {{keyword|regular_expression}}` - Install a package from the AUR: `aura --aursync {{package}}` - Update all AUR packages in a verbose mode and remove all make dependencies: `aura --aursync --diff --sysupgrade --delmakedeps --unsuppress` - Install a package from the official repositories: `aura --sync {{package}}` - Synchronize and update all packages from the official repositories: `aura --sync --refresh --sysupgrade` - Downgrade a package using the package cache: `aura --downgrade {{package}}` - Remove a package and its dependencies: `aura --remove --recursive --unneeded {{package}}` - Remove orphan packages (installed as dependencies but not required by any package): `aura --orphans --abandon`