(C-x means ctrl+x, M-x means alt+x)
The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:
| Copyright (c) 2015, Shahar Evron | |
| All rights reserved. | |
| Redistribution and use in source and binary forms, with or without modification, | |
| are permitted provided that the following conditions are met: | |
| 1. Redistributions of source code must retain the above copyright notice, this | |
| list of conditions and the following disclaimer. | |
| 2. Redistributions in binary form must reproduce the above copyright notice, | 
| 'use strict' | |
| var gulp, sass, babelify, browserify, watchify, source, util; | |
| gulp = require('gulp'); | |
| sass = require('gulp-sass'); | |
| babelify = require('babelify') | |
| browserify = require('browserify'); | |
| watchify = require('watchify'); | |
| source = require('vinyl-source-stream'); | 
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| width: 960px; | |
| height: 500px; | |
| position: relative; | |
| } |