Ten ways Linux can turn you green - ZDNet UK

A very interesting and informative article. However, I had always imagined that Linux did not control power very well, on the somewhat unscientific basis that my laptop fans appear to run more frequently when using Linux.

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I was interested to read about the tickless kernel and surprised to find that I'm already using it. Powertop sounds like a very useful tool to help reduce demand on the processor. As a consequence of reading this article, I'm going to investigate turning off services I don't use/require and, similarly, unnecessary start up programmes. Although I have always done this in Windows, I have never thought to do this in Linux as they don't impact on performance and start up times in the same way.

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