• C-x = CTRL + x
• C-x b c = CTRL + x, b, c
• M-x = ALT + x

Cancel a command: C-g

Close emacs: C-x C-c

Opening emacs: $ emacs

Opening emacs in console: $ emacs -nw = $ emacs –no-window-system

Opening a file with emacs: $ emacs file

Save: C-x C-s

Save as: C-x C-w

When you load a file in Emacs with find-file, it gets put into a “buffer”. As long as you don't kill the buffer, it stays in memory, you don't have to reload it.

Open file: C-x C-f

Change from opened files (opened buffers): C-x b

List of opened buffers: C-x C-b

Close other windows: C-x 1

Close this window: C-x 0