Resources
Here is a list of resources to get started with Emacs.
Internal documentation
You can access Emacs internal documentation with the following kbds:
C-h r: Emacs manualC-h t: Emacs tutorialC-h i: Emacs info directoryC-h k: info on kbdC-h f: info on function (command)C-h v: info on variableC-h a: info on command matching regexp