and not just the North American desktop vendor sales market.
Red Hat has been selling systems and support to enterprise customers for many years, and making a good profit off it. They wouldn't being getting paid for the support if the companies weren't using Linux systems.
BTW There has been an increased growth in the use of Linux since Vista came out, but since most of it has been outside of the North American continent it's been ignored by a lot of people in the US IT industry.
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