spacemacs.md

Notes on Spacemacs

Getting Started

For installation instructions, click here. Note that one must first install Emacs before Spacemacs

Starting spacemacs, run

emacs --insecure

Commands

Key Definitions

C -> Control
M -> Meta (Option)
SPC -> Space (unique to Spacemacs)
	Easier way to access useful commands and other functionalities (e.g. shell command)

Basic commands

C-x C-c -> Quit emacs
C-g -> Cancel current action
C-x C-f -> Open a file (whether or not it exist)
C-x C-s -> Save file
C-x C-w -> Write a file (Save as...)

# Emacs commands (M-x)
cd -> Change working directory of current session
pwd -> Print current directory

Buffers and Windows

C-x 0 -> Undo window splitting and return to one window
C-x C-+/- -> Zoom in/out text
C-x leftArrow / rightArrow -> Switch to previous / next buffer in current window
C-x o -> Go to other window (other-window)
C-x k -> Kill current buffer

Standard ML specific commands

C-c C-s -> Open SML prompt
C-c C-d -> End SML session (comint-send-eof)
C-c C-n -> Go to next prompt (useful when an error is raised and want to close end session)
C-c C-o -> Delete output
M-; -> Apply line comment to selected line

Spacemacs specific commands

SPC s c -> Clear search highlight
SPC T M -> Maximize frame (window take up full height of screen)

Misc. Commands

M-x, then search delete-trailing-whitespace -> Removes all trailing whitespace

Configuring Spacemacs

Spacemacs can be customized using ~/.spacemacs

• How to change default font

 dotspacemacs-default-font '("Source Code Pro"
                               :size 17
                               :weight normal
                               :width normal
                               :powerline-scale 1.1)

• Add line numbers: dotspacemacs-line-numbers t
• How to make window use 100% of screen. Add frame-resize-pixelwise t in setq-default:

(setq-default
 frame-resize-pixelwise t
 ...
)

Resources

• A Guided Tour of (original) Emacs