Added pacman (archlinux PACkage MANager) cheatsheet

cheatsheets/pacman

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+# All the following command work as well with multiple package names
+
+# To search for a package
+pacman -Ss <package name>
+
+# To update the local package base and upgrade all out of date packages
+pacman -Suy
+
+# To install a package
+pacman -S <package name>
+
+# To uninstall a package
+pacman -R <package name>
+
+# To uninstall a package and his depedencies, removing all new orphans
+pacman -Rcs <package name>
+
+# To get informations about a package
+pacman -Si <package name>
+
+# To install a package from builded package file (.tar.xz)
+pacman -U <file name/file url>
+
+# To list the commands provided by an installed package
+pacman -Ql nvidia-utils | sed -n -e 's/.*\/bin\///p' | tail -n +2
+
+# To list explicitly installed packages
+pacman -Qe
+
+# To list orphan packages (installed as dependencies and not required anymore)
+pacman -Qdt
+