Download this file and open it in Emacs!

• M-x gives you access to the minibuffer (the line at the bottom of the screen), you can enter a command in long form. Commands and paths can always be TAB-completed in the minibuffer.
• C-g can always be used to cancel an action or exit the minibuffer.
• M-x help-with-tutorial opens a handy tutorial for Emacs. There, you can learn basic cursor movements and selections. The tutorial says that you should not be using arrow keys, but I use them liberally.

• C-x 2 splits vertically.
• C-x 3 splits horizontally.
• C-x 1 maximizes the current window.
• Shift + Arrows lets you move quickly among windows.

• Command+o or C-x C-f opens a file (created if doesn’t exist)
• C-x f shows a list of recently opened files.
• Command+s or C-x C-s saves a file
• Command+Shift+s or C-x C-w saves a file with a different name (save as)
• Command+f or C-s finds text interactively
• M-g g goes to a numbered line.
• Command+n creates a new file with the given extension.
• Command+Z and Command+Shift+Z for undo/redo; M-x undo-tree-visualize will show you a tree of all your edits.

• Each window can contain a different buffer, or views of the same buffer can be shown in multiple windows.
• C-x k closes a buffer.
• C-x b shows a list of open buffers.
• Move among buffers within a window with Command+[ and Command+]

• You can probably figure out the correct command to do something complex by using M-x and typing.
• If there is a keystroke bound to a command, C-h f will show it.
• If you don’t know what a keystroke does, use C-h k.

• You can run a shell command in the current folder using M-!.
• You can open an entire terminal with M-x multi-term.

• You can customize anything using M-x customize
• You can install new packages using M-x list-packages

• M-x tetris
• M-x doctor

• Type /ssh:user@server:/your/path/to/file

• To get started, open or create a new file with extension .org and org-mode will start automatically (you can edit this file if you want!)
• You can have multiple-level outlines like this document, that are correctly indented.
• You can type TeX symbols to write out equations quickly, like this:

∫_0^x σ(θ) dθ = x sin(x^2)

• The above includes superscripts and subscripts (use {} for long sub/superscripts)
• Super handy for taking notes at a seminar!
• You can export an org-mode file to PDF or HTML using M-x org-latex-export-to-pdf and M-x org-html-export-to-html.
• You can use it for awesome todo-lists, like this: