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 1673 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 53.10 192 392 673 699 701 722 738 754 824 837 869 874 877 877 893
Linux 22.85 176 239 273 276 284 288 293 306 344 358 366 366 375 391 405
Windows 2000 11.37 436 390 218 207 197 199 197 199 200 185 176 172 160 150 146
unknown 6.72 29 44 63 69 73 67 72 75 87 93 101 111 120 128 133
F5 Big-IP 1.83 0 0 16 18 19 20 24 27 29 31 30 30 32 32 34
FreeBSD 1.11 21 18 14 14 13 17 17 16 20 17 19 19 20 15 17
NetWare 1.01 4 3 12 13 14 15 15 16 16 16 16 16 17 17 17
Solaris 9/10 0.72 4 9 11 11 10 10 10 13 13 11 12 12 13 11 10
AS/400 0.26 4 6 4 4 4 3 4 4 4 4 4 4 4 4 4
AIX 0.22 5 7 5 5 4 4 5 4 3 3 3 3 3 3 3
Solaris 8 0.17 12 10 5 4 4 4 4 3 4 4 3 2 2 1 1
NT4/Windows 98 0.16 22 13 4 3 4 4 3 2 2 2 2 2 2 2 2
HP-UX 0.15 6 3 3 3 2 2 2 2 2 2 2 3 2 2 3
MacOSX 0.10 0 1 1 2 2 2 3 3 2 2 2 2 1 1 1
Solaris 2/7 0.07 5 4 2 1 1 1 1 1 1 1 1 1 1 1 1
NetApp NetCache 0.07 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
OS/390 0.02 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
IRIX 0.02 2 1 1 1 1 1 1 1 1 0 0 0 0 0 0
NetBSD/OpenBSD 0.02 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0
Windows XP 0.01 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
BSD/OS 0.00 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
MacOS 0.00 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0

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