C-<chr> means holding any control key while typing the contents of <chr>.

M-<chr> means holding any meta or alt key while typing the contents of <chr>. Alternative press and release the escape key (=ESC) and the type the contents of <chr>.

Basic Emacs Commands
1. Quit session.

   1. C-x C-c

2. Quit partially entered command.

   1. C-g

3. Close current window.

   1. C-x k

4. Close all windows except current.

   1. C-x 1

5. Edit content.

   1. Just start typing without using C, M and ESC. Other keys have standard special meaning i.e. pressing delete key deletes the next character.

   2. Undo or Redo

      1. C-7

   3. Reverse default Undo direction.

      1. C-g

   4. Save file.

      1. C-x C-s

6. Navigation
   1. Cursor
      1. Move by character.

         1. <Arrow Keys>

      2. Move by words.

         1. M-<Arrow Keys>

      3. Move to start of line.

         1. <Pos 1 key>

      4. Move to end of line.

         1. <End Key>

   2. Page
      1. Next Page

         1. C-v or Page Up

      2. Previous Page

         1. M-v or Page Down

      3. Move screen so cursor is in the middle.

         1. C-l

   3. Search
      1. Forward

         1. C-s <search-term> Enter

      2. Backward

         1. C-r <search-term> Enter

7. Help

   1. C-h

Alternative Emacs Commands with bad special keys.
1. Navigation
   1. Cursor
      1. up

         1. C-p (p=previous)

      2. down

         1. C-n (n=next)

      3. left

         1. C-b (b=backward)

      4. right

         1. C-f (f=forward)

Emacs's GUI can be started with emacs. Emacs's TUI can be started with emacs --no-window-system.

1.  Magit: Git integration