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 1412 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 32.84 49 138 317 331 346 370 394 423 431 435 444 463 467 470 487
Linux 32.22 179 276 333 330 341 347 378 393 416 416 443 455 458 462 457
Windows 2000 12.88 237 269 187 185 178 179 179 178 174 177 178 166 159 161 155
unknown 7.01 49 68 62 81 78 74 76 88 82 88 89 100 98 104 108
Solaris 9/10 4.03 14 24 45 38 39 43 43 44 53 52 59 56 58 59 58
FreeBSD 3.00 15 15 24 27 28 31 36 37 39 40 42 44 44 45 43
Solaris 8 2.23 42 49 39 39 38 34 38 35 32 32 28 25 25 26 25
HP-UX 1.92 14 14 12 11 14 20 22 20 25 27 29 27 30 29 29
F5 Big-IP 1.30 0 1 8 9 11 15 15 19 19 17 17 19 19 19 21
AS/400 0.81 2 4 8 6 9 7 10 10 11 12 11 11 11 12 12
NT4/Windows 98 0.75 28 23 14 14 16 13 13 13 9 9 10 10 8 7 7
AIX 0.34 16 13 2 2 5 4 5 6 6 6 4 4 4 4 4
Solaris 2/7 0.26 14 10 5 5 4 3 3 3 3 3 3 3 3 3 3
MacOSX 0.25 2 3 4 4 5 4 4 4 3 3 4 3 3 3 3
IRIX 0.11 3 4 4 4 4 4 4 4 4 4 0 0 0 0 0
BSD/OS 0.03 0 0 1 1 1 1 1 1 1 1 1 0 0 0 0
Windows XP 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
NetWare 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SCO UNIX 0.00 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0

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