Operating System Software used at Sites in January 2008

This analysis relates to those sites found in the survey where the common name in the certificate matched the hostname, and the certificate's digital signature was not detected as being self-signed.

Responses were obtained from 2081 sites, with the following distribution of operating system software.

Other views of this data are on separate pages:

The following pie chart shows the moving average shares over time.

The next graph shows the actual development of shares over time.

Market Shares by Operating System Version to January 2008

Operating System Moving
Avg. %		 2005 2006 2007 2008
Jan Jan Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan
Windows Server 2003 36.43 122 242 526 528 537 585 597 636 698 712 738 758 769 769 778
Linux 32.58 249 346 500 528 543 561 576 591 626 638 641 647 669 676 688
unknown 13.05 61 124 189 223 241 217 224 221 246 241 251 259 265 272 299
Windows 2000 8.62 366 372 194 186 189 182 185 178 176 168 165 163 155 144 145
Solaris 8 2.36 70 107 53 52 52 51 54 52 50 48 48 43 40 40 35
Solaris 9/10 2.04 2 13 23 24 26 32 34 39 39 40 43 43 45 44 44
FreeBSD 1.91 33 31 34 36 33 35 40 41 39 38 37 36 37 37 37
NetWare 0.83 7 12 18 18 18 15 18 14 17 17 18 17 18 18 11
F5 Big-IP 0.67 0 0 9 9 8 10 9 11 11 11 10 14 15 15 18
MacOSX 0.50 6 8 10 10 9 10 8 8 10 9 9 11 9 11 10
NT4/Windows 98 0.39 35 22 12 12 11 9 7 7 8 7 6 7 6 6 6
Solaris 2/7 0.17 16 7 6 5 6 5 4 3 2 2 2 3 3 3 3
HP-UX 0.17 4 3 4 4 4 4 4 4 3 3 3 3 3 3 3
AS/400 0.14 1 1 2 3 3 3 2 3 3 3 3 3 3 2 3
BSD/OS 0.05 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1
AIX 0.04 6 5 2 2 1 1 1 1 1 1 1 1 0 0 0
Windows XP 0.02 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0
NetBSD/OpenBSD 0.02 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0
MacOS 0.00 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
NetApp NetCache 0.00 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0

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