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 46770 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
Linux 37.03 7225 10459 12889 13155 13390 13627 14151 14564 15563 15851 16226 16533 16775 17159 17482
Windows Server 2003 34.22 2923 5594 10322 9733 9687 11345 11877 13669 14592 15306 15492 15833 16573 15796 16737
unknown 10.85 1460 3379 4055 5085 5536 4092 4200 3010 4538 4200 4583 4788 4389 5567 5166
Windows 2000 8.99 7893 7224 4420 4272 4193 4102 4033 3947 4071 3938 3900 3801 3651 3540 3401
FreeBSD 3.23 876 1151 1288 1304 1278 1290 1300 1299 1416 1408 1420 1418 1423 1426 1427
F5 Big-IP 1.56 0 36 389 383 389 518 543 635 636 681 707 715 764 752 822
Solaris 8 1.21 679 725 599 578 561 542 529 526 535 527 519 505 504 489 474
Solaris 9/10 1.19 159 280 419 423 432 427 443 467 500 508 510 524 548 558 568
NT4/Windows 98 0.40 845 477 251 243 228 212 196 173 170 165 157 154 141 139 129
MacOSX 0.27 76 58 104 103 104 104 107 118 117 118 118 122 122 121 121
NetWare 0.26 54 70 93 94 95 94 95 95 110 105 105 123 130 125 123
Solaris 2/7 0.23 247 154 110 108 112 112 108 104 106 100 97 94 90 94 85
AS/400 0.14 45 57 57 53 57 58 56 59 60 56 57 62 58 59 58
NetBSD/OpenBSD 0.11 22 29 41 41 40 40 43 43 46 50 49 49 49 50 54
AIX 0.10 49 57 50 46 46 46 41 44 42 42 42 42 42 43 41
HP-UX 0.10 59 51 50 48 50 49 44 44 46 44 44 41 42 40 39
Windows XP 0.05 0 0 16 15 20 18 22 23 22 22 22 19 21 20 22
BSD/OS 0.02 35 14 15 15 16 15 16 14 16 11 10 11 10 10 3
MacOS 0.02 18 11 4 4 4 4 4 3 6 9 9 9 9 7 4
OpenVMS 0.01 0 0 1 1 1 1 1 1 1 5 5 5 6 5 6
Compaq Tru64 0.01 11 7 5 5 6 5 5 5 5 5 4 4 5 4 3
NetApp NetCache 0.01 2 1 1 2 2 2 2 2 2 2 2 3 3 3 3
IRIX 0.00 7 2 3 1 0 0 1 1 1 1 1 1 1 1 1
SCO UNIX 0.00 0 1 0 0 0 0 0 0 0 2 1 0 0 0 0
OS/2 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Windows Server 2008 0.00 0 0 0 0 0 0 0 0 1 1 1 1 1 3 1

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