This page describes how to use pacman, the package manager for Arch Linux. The syntax for this is pacman -Syu
If you just installed Arch Linux, one of the first few things to do after installing Arch Linux is to learn to use pacman commands. In this beginner's guide, I'll explain some of the essential usage of the pacmand command that you should know for managing your Arch-based system.. If even pacman-static does not work, it is possible to recover using an external pacman. One of the easiest methods to do so is by using the archiso and simply using --sysroot or --root to specify the mount point of the system to perform the operation on.