=== ":fontawesome-brands-linux: Linux"

    If you're using `nano`, type control-`x`, then `y`, then the enter key.


=== ":fontawesome-brands-apple: macOS"

    If you're using `nano`, type control-`x`, then `y`, then the enter key.


=== ":fontawesome-brands-windows: Windows"

    If you're using `notepad`, type control-`s` or choose `Save` from the `File` menu.