`snap` - manage snap packages (Canonical's self-contained, auto-updating packages)

snap install [--classic] NAME | snap list | snap remove NAME | snap refresh [NAME]

Options you will use

install: install a snap from the Snap Store
list: the installed snaps
remove: remove a snap
refresh: update snaps now (they also update by themselves)
--classic: install a snap that needs full access to the system (classic confinement), like aws-cli

Try snap in a real terminal Free, in your browser - a real Ubuntu terminal to try it in, with missions that check your work.