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 13159 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 42.27 488 1036 2370 2315 2351 2635 2751 3040 4742 4908 5099 5282 5474 5666 5914
Linux 33.55 1309 2053 2562 2616 2668 2721 2834 2945 3593 3681 3796 3881 3975 4181 4316
unknown 9.09 229 516 631 813 888 697 705 613 912 868 964 1021 1061 1290 1276
Windows 2000 6.44 1368 1414 722 691 685 663 650 651 731 713 693 677 653 651 637
FreeBSD 4.06 199 263 347 334 354 378 375 382 443 454 468 479 468 471 485
Solaris 8 1.15 164 147 121 119 118 120 118 119 119 118 124 124 124 125 122
Solaris 9/10 1.05 41 70 115 115 118 114 113 115 114 111 112 111 112 114 115
F5 Big-IP 0.97 0 9 71 62 64 77 77 98 100 103 105 107 125 131 135
NetWare 0.39 22 36 39 38 36 37 36 35 38 40 39 40 41 48 52
AS/400 0.23 13 17 21 22 22 24 25 25 26 24 26 25 24 24 26
NetBSD/OpenBSD 0.20 7 6 13 14 15 14 15 18 22 21 24 23 24 28 26
NT4/Windows 98 0.15 105 60 28 25 23 21 16 15 14 13 12 12 12 11 11
MacOSX 0.14 7 5 7 9 13 13 14 13 15 16 17 17 19 16 15
Solaris 2/7 0.13 34 27 12 12 13 15 15 15 13 15 15 15 13 13 13
AIX 0.11 29 28 14 14 14 14 14 14 13 13 11 10 9 9 8
HP-UX 0.03 9 6 4 4 4 4 4 4 4 4 4 3 3 3 3
Windows XP 0.02 0 0 1 1 1 1 1 1 3 3 3 2 3 3 3
BSD/OS 0.01 16 9 4 3 3 3 4 1 0 0 0 0 0 0 0
Compaq Tru64 0.01 1 0 0 0 0 0 1 1 0 1 1 0 1 1 1
OS/2 0.01 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1
NetApp NetCache 0.00 3 4 2 0 0 0 0 0 0 0 0 0 0 0 0
SCO UNIX 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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