Linux offers a multitude of commands, which can be overwhelming. This cheat sheet – made by Burr Sutter for the Red Hat Developer network – provides Linux commands commonly needed by developers, with explanations and screenshots.
A range of basic to advanced commands with the screenshots of the command output, easy to read and easy to use, so super useful cheat sheet.
You can download the cheat sheet for free, making a Red Hat Developer account, and going on the Get Linux Commands now – Linux command guide for developers page. Or directly from here.