File Operations

• <ctrl-x><ctrl-s>
  Write the current document to the file listed in the mode line.
• <ctrl-x><ctrl-w>
  Write the current document to a file. You will be prompted in a minibuffer for a filename.
• <ctrl-x><ctrl-c>
  Quits EMACS. If you haven't saved your document, EMACS will ask you if you wish to save the document before exiting.