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 3549 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 38.35 224 450 916 928 942 971 1003 1030 1207 1258 1304 1337 1349 1375 1429
Linux 37.61 542 709 934 964 979 982 1021 1042 1227 1247 1272 1282 1316 1340 1336
Windows 2000 9.83 680 648 363 355 349 333 330 324 336 319 307 305 302 290 276
unknown 6.60 107 157 147 162 165 168 169 170 206 212 216 213 234 242 253
FreeBSD 2.80 47 53 72 74 73 72 73 78 91 91 94 98 100 98 99
Solaris 8 1.32 51 52 48 47 47 47 47 50 48 48 50 47 36 37 34
F5 Big-IP 1.10 0 7 20 21 24 25 28 31 31 35 36 40 45 39 42
Solaris 9/10 0.68 6 8 15 14 15 15 15 15 16 18 18 18 28 29 31
MacOSX 0.57 13 6 12 15 16 16 16 17 20 20 22 21 20 20 18
NT4/Windows 98 0.54 73 37 24 24 24 22 21 20 18 17 15 15 14 15 14
NetWare 0.18 2 2 6 6 6 6 7 5 6 5 6 6 6 6 6
NetBSD/OpenBSD 0.14 1 2 3 3 3 3 2 2 5 6 9 9 5 4 3
Windows XP 0.07 0 0 1 1 1 1 1 1 2 3 2 3 3 3 3
Compaq Tru64 0.07 2 1 1 2 2 3 3 3 3 3 2 2 2 2 2
HP-UX 0.05 1 0 0 0 0 1 2 2 2 2 2 2 2 2 2
AS/400 0.04 2 3 4 4 4 3 3 2 2 2 2 1 0 0 0
Solaris 2/7 0.03 6 4 1 1 1 1 1 1 1 1 1 1 1 1 1
MacOS 0.01 8 5 1 1 1 1 1 0 0 0 0 0 0 0 0
BSD/OS 0.00 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Report & Index | Glossary | Example Certificate | Whats that site running?