Linux has been there as an operating system for a long time and even though it's free, it has not been able to take a sizeable market share out of the Windows operating system. I tried to find out what are the main reasons behind this.

I mean why would a Windows user would want to switch to Linux? An average PC user doesn't want a cli interface to do all his tasks. You can argue that some Linux distribution has gui too but if you are comfortable with gui, why would you switch? Security? Getting to know how the operating system works? Have more freedom? Well, then you are exceptional my friend and the market share of Linux proves that majority of people don't give a f**k!

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