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 1516 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 47.08 142 260 508 508 524 537 563 581 609 627 625 638 646 712 740
Linux 25.18 203 220 270 264 271 266 285 297 315 326 328 347 365 379 392
Windows 2000 14.03 434 368 203 200 197 198 191 187 190 180 178 177 183 182 180
unknown 6.86 33 25 42 61 70 67 73 74 80 91 101 101 98 114 113
FreeBSD 3.42 26 29 46 46 49 50 54 52 45 45 43 43 46 48 46
Solaris 8 1.27 19 15 18 18 18 18 19 19 20 17 17 17 15 16 17
Solaris 9/10 1.17 8 35 34 14 13 14 13 15 15 13 13 12 14 14 15
Solaris 2/7 0.33 5 6 5 5 5 5 5 5 5 5 5 4 4 4 4
NT4/Windows 98 0.29 26 14 3 3 4 4 4 4 4 4 3 3 3 3 5
F5 Big-IP 0.17 0 0 1 1 1 1 2 2 2 2 2 3 4 3 2
MacOSX 0.04 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
NetWare 0.03 0 0 1 1 1 1 2 2 2 1 0 0 0 0 0
SCO UNIX 0.03 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0
HP-UX 0.03 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0
Windows XP 0.02 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
OS/390 0.02 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0
AS/400 0.02 1 2 1 0 0 0 0 0 0 0 0 0 1 0 0
BSD/OS 0.00 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
AIX 0.00 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0
NetBSD/OpenBSD 0.00 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0

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