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+# pacman
+
+Assume you use Archlinux.
+
+Read [pacman](https://wiki.archlinux.org/index.php/pacman).
+
+Read [Mirrors](https://wiki.archlinux.org/index.php/Mirrors).
+
+Uncomment/add options in `/etc/pacman.conf`:
+
+```txt
+# Misc options
+Color
+ILoveCandy
+```
+
+Read [Force pacman to refresh the package lists](https://wiki.archlinux.org/index.php/Mirrors#Force_pacman_to_refresh_the_package_lists) and [Removing unused packages (orphans)](<https://wiki.archlinux.org/index.php/Pacman/Tips_and_tricks#Removing_unused_packages_(orphans)>):
+
+```sh
+sudo pacman -Syyuu && sudo pacman -Rns $(pacman -Qtdq) || true
+```