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Arch Package Managers
How to Install an AUR helper
package-query
git clone https://aur.archlinux.org/package-query.git cd package-query/ makepkg -si cd .. rm -rf package-query/
yay
git clone https://aur.archlinux.org/yay.git cd yay makepkg -si rm -rf yay/
Delete cached files
pacman
Deletes cached versions of installed and uninstalled packages, except for the most recent 2:
paccache -r -k2