update the system sudo pacman -Syu update the database sudo pacman -Syy install package from pacman repo sudo pacman -S package_name from local package sudo pacman -U /path/to/the/package remove package package only sudo pacman -R package and those of its dependencies that aren’t needed by any other application sudo pacman -Rs package, avoid orphaned dependencies and erase its global configuration sudo pacman -Rns package_name Info about an installed package: pacman -Qi package_name Queries the repo about a package: pacman -Ss package_name Queries the repo about a packages, and all that depend on it: pacman -Sii package_nam List Installed Packages that are not in the Official Repositories: pacman -Qm Pacman is completely broken! How do I reinstall it? sudo tar -xwvpf <i>package_name-version.tar.xz</i> -C / --exclude .PKGINFO --exclude .INSTALL More info :: http://wiki.archlinux.org/index.php/Pacman
