This article provides practical examples for 50 most frequently used commands in Linux / UNIX. This is not a comprehensive list by any means, but this should give you a jumpstart on some of the common Linux commands. Bookmark this article for your future reference.
Default keyboard shortcuts for Amethyst (https://github.com/ianyh/Amethyst) 0.8.3.Amethyst is the tiling window manager for OS X similar to xmonad, written by ianyh.