The keycommand to scroll one line up is implemented in NORMAL mode. Open a file with some pages then press:

<Key-w>

It will scroll one line up. The cursor wouldn't change its position as long it remains visible.

This keycommand is implemented in NORMAL mode as the one to scroll one line up. Open a file with a considerable number of pages then press:

<Key-s>

The cursor would remain at its position as long it stays visible.

This keycommand works in NORMAL mode, open a file with some pages then press the keycommand below to make the cursor jump to the end of the file:

<Key-2>

Then press:

<Key-Q>

in NORMAL mode.

In NORMAL mode, open some big file then try pressing:

<Key-A>

in NORMAL mode.