Linked by Thom Holwerda on Fri 4th Jun 2010 22:20 UTC, submitted by Preston Gralla
In the News So, what to do with this. If we don't run it, we're pro-Linux. If we do run it, we're pro-Microsoft. And I'm sure that whatever we do, we're anti-Apple somehow. In any case, here we go: the latest market share figures from IDC about servers show that Windows is by far the most popular server operating system in terms of unit sales, increasing its market share even further. Linux, on the other hand, saw its market share in the server market sink a little.
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RE: Numbers in perspective
by boblowski on Sat 5th Jun 2010 11:48 UTC in reply to "Quit being so pro Microsoft!"
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As the guy says, it's already quite a feat to 'sell' Linux anyway.

But to put the numbers somewhat in perspective: I have some difficulty finding the original data, but according to the linked article in what was Microsoft's best quarter 1,379,487 units have been sold. Let's (for argument's sake) say that on average a Windows installation runs 5 years before being replaced or upgraded. 5 years x 4 quarters x 1,379,487 units make a maximum of approximately 27,5 million running currently Windows servers. Since this also includes (a lot of) volume licenses, I take it the actual number must be lower.

According to that nice overview a while ago ( ) Google owns with ~1 million servers about 2% of all the worlds commercially operated servers. That is about 50 million servers in operation. Many home and SMB owned servers won't be included in this number, so the actual number is probably higher.

If I compare both numbers, I would suspect that at maximum 50-55% of all currently operated servers are running Windows.

These numbers also suggest that only about 2% of all Linux servers are running some commercial or commercially supported Linux. That seems to be a realistic number in my experience.

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