Emacs
GNU Emacs is an extensible, customizable text editor
Keyboard shortcuts
Command  | 
  Shortcut  | 
Open file  | 
  Ctrl+x Ctrl+f  | 
Select  | 
  Shift and cursor keys  | 
Select  | 
  Ctrl+space  | 
Copy  | 
  Alt+w  | 
Cut  | 
  Ctrl+w  | 
Paste  | 
  Ctrl+y  | 
Save  | 
  Ctrl+x Ctrl+s  | 
Previous buffer  | 
  Ctrl+x left cursor  | 
Next buffer  | 
  Ctrl+x right cursor  | 
Quit  | 
  Ctrl+x Ctrl+c  | 
