This simple alias will allow you to type zup and completely update your system. This does packages from the repos and flatpaks. It is one single line.
alias zup="echo Updating System Packages && sudo zypper dup && echo Updating Flatpaks from FlatHub && flatpak update" # zypper updates for Tumbleweed
Most of us know these things, but newbies may not realize that the alias command is so sweet and saves so much typing. There is no need to fear the terminal.