Emacs Basics
Launch Emacs
Use Graphical Menu
Emacs by default supports mouse and menu.

The keyboard shortcuts are shown beside the menu.
- “C-x” means Ctrl+x
- “M-x” means Alt+x
So, use menu, and you can learn the keyboard shortcuts.
Most Important Emacs Keys
These keys get you started.
To navigate cursor, just use the arrow keys.
use Ctrl with arrow to move cursor by words.
Undo
To undo, press Ctrl+_
Redo
To redo, press Ctrl+g then do a undo Ctrl+_. Further undo will all be redo. Press Ctrl+g to reverse direction again.
Save
To save file, press Ctrl+x Ctrl+s.
Quit Emacs
Press Ctrl+x Ctrl+c.
If the keys you press seem to do weird things, then, press Ctrl+g. This will cancel the sequence of keys you may have pressed by mistake.
Congratulations! You are now a Emacs Master!
With the above, you can edit any text file. Now, you can learn how to do search, find/replace, and new shortcuts for efficient navigation. Goto Emacs Keys.