GNU/Linux is quite popular on server side but most of the desktop or personal computer users prefer Windows/Mac OS despite the superior quality and number of software offered by GNU/Linux’s various distributions. The main reason for this is fear of GNU/Linux command line. People still treat it as a tool for geeks while in reality it is very simple tool.
This series of tutorial will be aimed for people new to GNU/Linux command line and will use Ubuntu distribution as base operating system as it is most popular of all distributions. However, it has nothing to do with any particular distribution as the commands are same as long as their version is same across all GNU/Linux distributions.
After going through this series of posts you should feel pretty comfortable with GNU/Linux command line and enjoy the speed and programmatic advantage it has to offer as compared to GUI tools.