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 17275 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 37.60 1136 2388 4425 4546 4679 4771 4973 5160 5784 5913 6119 6297 6409 6544 6697
Linux 37.02 2721 3687 4546 4608 4692 4811 5013 5191 5698 5792 5975 6103 6251 6331 6447
Windows 2000 9.10 2919 2684 1647 1607 1593 1567 1536 1509 1517 1438 1421 1378 1347 1298 1256
unknown 5.99 443 606 658 745 774 750 777 812 869 900 923 961 1013 1064 1127
FreeBSD 3.38 375 412 424 424 434 451 467 487 536 534 546 554 564 566 571
F5 Big-IP 2.67 0 32 230 225 235 291 326 353 372 391 416 455 479 516 551
Solaris 8 1.27 269 257 213 213 210 203 202 204 200 199 199 199 195 196 184
Solaris 9/10 1.26 86 163 208 205 202 194 184 190 185 185 186 209 200 201 207
NT4/Windows 98 0.50 403 195 104 101 95 94 89 86 87 82 81 76 64 63 59
MacOSX 0.34 37 44 43 38 43 45 49 49 51 55 59 54 57 58 55
NetWare 0.20 16 22 31 33 30 27 28 31 28 30 31 27 33 32 34
Solaris 2/7 0.17 66 55 29 30 30 30 30 28 26 25 25 25 24 23 24
HP-UX 0.15 14 17 21 21 22 23 25 24 24 23 23 24 23 22 22
NetBSD/OpenBSD 0.09 17 23 11 12 12 12 13 16 18 16 13 15 19 20 7
AS/400 0.08 13 14 14 14 14 14 13 12 13 11 13 13 12 13 13
Windows XP 0.07 0 0 11 9 9 10 10 10 11 9 12 11 12 11 9
BSD/OS 0.02 22 15 14 14 15 4 0 0 1 1 1 1 0 0 0
OpenVMS 0.02 1 2 4 4 4 4 4 3 3 3 4 4 4 4 4
MacOS 0.02 4 6 4 5 5 4 4 4 3 3 3 2 2 2 2
Compaq Tru64 0.02 17 15 6 6 5 5 5 5 5 5 5 2 2 2 2
AIX 0.02 25 12 5 5 4 4 4 2 2 3 3 3 2 2 2
NetApp NetCache 0.01 0 0 2 2 2 2 2 3 2 2 2 2 2 2 1
SCO UNIX 0.01 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1
OS/390 0.00 0 0 2 2 0 0 0 0 0 0 1 0 1 0 0
IRIX 0.00 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0
OS/2 0.00 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0

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