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 2466 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 38.99 449 588 724 742 742 744 763 794 859 881 882 904 918 936 961
Windows Server 2003 36.75 142 339 583 568 567 624 649 714 811 833 873 879 907 912 948
unknown 9.13 72 170 160 189 212 170 172 136 184 193 198 216 212 238 234
Windows 2000 6.90 408 297 171 166 159 160 156 159 159 157 153 152 151 146 136
FreeBSD 3.88 50 58 85 91 89 87 90 86 94 88 87 87 87 89 88
F5 Big-IP 1.16 0 4 21 22 14 15 20 32 19 27 27 32 26 24 34
Solaris 8 1.07 42 31 31 29 31 31 29 26 25 26 27 24 22 20 18
Solaris 9/10 0.69 3 9 12 12 12 12 15 14 15 16 16 16 21 15 15
NT4/Windows 98 0.58 55 34 20 17 14 14 13 13 11 12 12 12 11 11 11
MacOSX 0.24 6 2 4 4 4 4 5 5 5 5 5 5 7 5 7
Solaris 2/7 0.16 19 19 5 5 3 3 3 3 3 3 3 3 3 3 3
AS/400 0.13 0 3 3 3 3 3 3 3 3 3 3 3 3 3 3
NetWare 0.10 0 1 0 1 2 2 2 2 2 2 3 2 1 3 3
HP-UX 0.08 8 9 5 5 3 3 2 1 1 1 1 1 1 1 1
Windows XP 0.05 0 0 1 2 2 2 2 2 1 0 0 1 1 1 2
Compaq Tru64 0.04 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1
OpenVMS 0.01 1 0 0 1 1 1 1 1 1 1 0 0 0 0 0
NetBSD/OpenBSD 0.01 3 1 0 0 0 0 0 0 0 0 0 0 0 0 1
BSD/OS 0.00 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0
MacOS 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
AIX 0.00 6 3 1 0 0 0 0 0 0 0 0 0 0 0 0