From the course: Learning vi
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Scrolling the text
vi was originally written on hardware terminals before the concept of a scroll bar existed. But I'm going to use the term scrolling to describe these commands, all of which use the Ctrl key. You can use Ctrl+e and Ctrl+y to scroll the screen up and down by one line. e is short for expose, because you're exposing an additional line at the bottom of the screen. y, I have no idea why it's called that. You can use Ctrl+d and u to scroll down or up by half a screen full. And you can use Ctrl+f and Ctrl+b to scroll forward and back by a full screen full. Let me demonstrate those. So let's go to our Purloined Letter file. So here, I can do Ctrl+e to expose another line. e e e, that's Ctrl+e, Ctrl+e, Ctrl+e. Or I can do Ctrl+y, Ctrl+y, Ctrl+y to scroll by a single line in the other direction. When you use these Ctrl keys, the cursor remains exactly where it is. w w w. So I can do Ctrl+y, Ctrl+y, Ctrl+y, Ctrl+e, Ctrl+e, Ctrl+e, and the cursor remains where it is in the text. However, if the…
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