GNU/Linux comes in many 'flavours', commonly known as distributions. The main selling point of a GNU/Linux-based operating system oughtn't be low cost but the freedom which it enables. It respects and empowers the users, not vendors that sell software and other digital merchandise.
Contrary to common misconception, GNU/Linux is a visually attractive platform. Here is an example demo of the system.
IBM: Produce code for us till we buy the community... And never use "bad words" like "master" and "slave" (pioneered by IBM itself in the computing context)