# pacman --query > Arch Linux package manager utility. > See also: `pacman`. > More information: . - [Q]uery the local package database and list installed packages and versions: `pacman -Q` - List only packages and versions that were [e]xplicitly installed: `pacman -Qe` - Find which package [o]wns a file: `pacman -Qo {{filename}}` - Display information about an [i]nstalled package: `pacman -Qi {{package}}` - Display the [l]ist of files owned by a specific package: `pacman -Ql {{package}}` - List orphan packages (installed as [d]ependencies but unrequired ([t]) by any package and print in [q]uiet mode (only package name is displayed)): `pacman -Qdtq` - List installed packages foreign ([m]) to the repository database: `pacman -Qm` - List packages that can be [u]pgraded: `pacman -Qu`