The emacs editor contains its own tutorials and help files: Type M-x help to begin. These include a "learning by doing" tutorial. There are plenty of emacs tutorials out there, some of which are written from the beginner's point of view. The official GNU emacs manual is available from www.gnu.org/software/emacs/manual/. It can also be purchased in book form. There is an emacs Wiki at www.emacswiki.org/.
Finally, you need to be able to make simple emergency edits with vi because there may be circumstances in which vi is all that's available to you (such as when you're running the rescue system). You may come to know and love vi, but depending on your character, you may go to the other extreme and make emacs your editor of choice. Both editors have far more functionality than we have been able to mention here, and both are certainly worth further study.
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