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 1672 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 31.02 84 167 389 389 401 400 418 435 467 481 490 506 514 526 536
Linux 22.17 156 217 292 280 286 284 292 300 328 341 347 364 368 379 381
unknown 18.16 121 142 198 226 227 235 233 260 257 286 292 304 309 312 320
Windows 2000 11.98 399 420 216 203 203 195 191 195 188 181 183 182 177 169 168
Solaris 8 4.22 98 91 76 77 74 72 69 67 67 68 67 64 63 59 61
Solaris 9/10 3.66 10 25 40 35 39 43 43 49 50 50 53 63 63 67 69
F5 Big-IP 3.04 0 15 45 41 41 43 48 45 48 37 43 41 49 55 56
FreeBSD 1.72 24 26 31 31 32 31 30 27 27 28 26 26 25 26 25
Solaris 2/7 1.39 39 33 25 25 26 26 25 27 26 24 24 24 19 17 17
NT4/Windows 98 0.99 62 36 21 20 19 18 18 19 18 16 15 14 14 12 12
BSD/OS 0.68 16 15 10 8 8 9 9 11 12 12 13 14 9 9 9
NetBSD/OpenBSD 0.41 3 0 0 0 0 0 0 1 6 6 6 6 10 10 10
AS/400 0.30 2 3 4 4 3 4 4 4 5 5 5 5 5 5 5
MacOSX 0.16 2 2 2 3 3 2 3 2 3 3 3 3 2 3 2
AIX 0.04 3 1 0 0 0 0 0 0 0 0 1 1 1 1 1
HP-UX 0.04 6 4 2 2 2 2 2 2 0 0 0 0 1 0 0
Compaq Tru64 0.01 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0
IRIX 0.00 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
MacOS 0.00 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
NetApp NetCache 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
NetWare 0.00 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0

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