Unix has been used to develop powerful parallel supercomputers. The clusters as well as the newest kernels should be comparable to Windows on multiprocessor systems. However Unix systems are generally slower than Windows, the best way to compare Unix systems and Windows performance would be on a cost per unit of work basis. The licensing costs are typically one-time costs that are acquired at the same time the hardware is purchased. It makes sense to combine the hardware and the software costs for performance purposes. The staff related costs are ongoing with system enhancements. We compare equally Unix servers and Windows servers, including the software is extremely necessary for the hardware to have any value, in which Unix would win in a variety of performance tasks.
Unix systems have a very large range of applications both commercial and open source. The platform is mostly built on open source applications. Unix systems have far more source applications than any operating......
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