There are lots of more tutorials about updating and learn in the meantime more about your system.
Here we just want to update and get on with our work.
These commands have been used one after the other.
update – ArcoLinux and Arch Linux packages
skel – copy/pasting /etc/skel content to your home directory
cb – copy/pasting content from .bashrc-latest to .bashrc
upall – updating all AUR packages
another example of a super fast update