uname - print system information
uname [-a] [-s] [-r] [-m] [-n]
Options you will use
-a, --all- Print everything: kernel, hostname, release, version, machine, OS.
-s- Kernel name (Linux).
-r- Kernel release (7.0.0-31-generic).
-m- Machine hardware name. aarch64 here - Apple Silicon, arm64.
-n- Network node hostname.
Taught in
Try uname in a real terminal Free, in your browser - a real Ubuntu terminal to try it in, with missions that check your work.