Command Line Cheat Sheet for Mac and Linux. I know these, but always good to have on hand!
Learn Basic Linux Commands with This Downloadable Cheat Sheet
Linux Directory Structure (File System Structure) Explained with Examples
Ubuntu has turned into the Mac of the Linux world. Users are stereotyped as the hipsters and stuff. I used Ubuntu at first, but after realising that it was burning up my CPU all the time, I had to switch flavours.
The History of Linux. #infografia #infographic
linux admin quick reference
The state of Linux (infographic) | Ramblings from the Pingdom team about the Internet and web tech
Should You Learn Python, C, or Ruby to Be a Top Coder? (Infographic)
Should You Learn Python, C, or Ruby to Be a Top Coder? (Infographic) | Inc.com
Download Linux Commands Cheat Sheet For Free. List all the basic commands of Linux from A to Z.
Introduction to Linux - A Hands on Guide
Linux 101 Hacks eBook, by Ramesh Natarajan I’m happy to announce the release of the 2nd Edition of my Linux 101 Hacks eBook. This eBook is totally free. http://www.thegeekstuff.com/linux-101-hacks-ebook/