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 2203 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
Linux 52.73 312 571 835 853 876 900 927 958 987 1016 1036 1052 1071 1116 1154
FreeBSD 16.55 85 153 230 241 251 259 290 303 315 328 326 339 342 350 371
Windows Server 2003 16.06 27 56 254 258 266 278 297 314 326 326 323 325 328 328 352
unknown 7.96 34 56 109 111 115 121 129 142 143 148 160 167 172 172 186
Windows 2000 1.97 81 96 50 46 40 40 37 37 34 34 33 32 34 37 36
Solaris 9/10 1.86 4 10 26 27 28 28 29 35 36 39 40 42 38 39 40
Solaris 8 0.75 16 20 22 21 20 21 19 17 15 15 16 16 9 12 10
F5 Big-IP 0.75 0 0 1 1 1 3 4 6 6 6 7 10 24 24 29
NetWare 0.32 1 0 7 7 7 7 7 7 8 8 8 7 6 5 5
Solaris 2/7 0.22 5 5 5 5 5 5 5 4 4 4 4 3 3 5 5
AIX 0.20 1 2 4 4 4 4 4 3 4 4 4 4 4 4 4
NetBSD/OpenBSD 0.17 6 5 2 2 2 3 3 3 3 2 2 3 4 3 5
NT4/Windows 98 0.11 12 5 3 3 3 3 3 3 3 3 3 2 2 1 0
HP-UX 0.09 2 1 0 0 1 1 1 2 2 2 2 2 2 2 2
AS/400 0.09 1 1 2 2 2 2 2 2 2 2 2 2 2 2 1
MacOSX 0.07 0 0 0 0 0 1 1 1 1 2 2 2 2 2 1
BSD/OS 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Windows XP 0.05 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1
IRIX 0.01 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0
Compaq Tru64 0.00 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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