Scout the market and you would surely find out for yourself that a task to buy operating system software could be a really costly task. For quite some time, computer users and buyers know that when they buy operating system software, they are expected to allocate a significant amount of budget for the purchase. Because prices of the products do not go down, it is just logical for consumers to strive to find out why such trends are never reversed. To begin with, an operating system is software itself, a computer program that facilitates the management of computer resources. The OS is providing programmers with a useful and effective interface that is used to access and use the resources integrated in the computer.