InfoWorld: Linux beats Windows 2008 power-saving measures
 

Ensuring your servers stamp as small a carbon footprint as possible on the earth and in your datacenter can encompass everything from making sure they are shipped in recyclable packaging to hiring an analyst who can predict the total lifecycle environmental impact.

For this test, we examined power consumption as a way to judge whether Windows Server 2008 or Linux is, in fact, the "greener" operating system. As the price of power hits record heights, power reduction mechanisms shipping within an operating system should play a key role in you energy conservation plan. Our tests point to Linux as the winner of the green flag by margins that topped out at 12 percent. But we must note that our results are full of stipulations imposed by our test bed, and as the more truthful car advertisements might warn -- your wattage may vary.

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