pacman -S <package> # Install a package
pacman -Sy # Update package list
pacman -Su # Update installed packages
pacman -Ss <query> # Search packages
pacman -R <package> # Remove a package
pacman -Rs <package> # Remove a package and it's unneeded dependencies
pacman -Sy base-devel htop lsof vim curl elinks openssh
Add to /etc/pacman.conf:
[archlinuxfr]
SigLevel = Never
Server = http://repo.archlinux.fr/$arch
pacman -Sy yaourt base-devel
Excellent theme collection:
Generic web dev tools: