Tutorial for using Emacs
the absolute mandatory way to begin learning emacs to is to use the builtin Tutorial.
- you can (c-h t) ,meaning hold your control key and 'h' as same time then press t, to launch the tutorial.
Tutorial for Emacs Lisp
Emacs as lisp machine, most of its function is implement by Emacs lisp, and you customize Emacs with elisp. Learning elisp, at least understand its syntax, can be very useful. there is a official tutorial for elisp.
- you can (c-h i m Emacs Lisp Intro <enter>) to begin the tutorial.