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 2969 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 57.48 215 487 1013 1086 1121 1180 1270 1356 1423 1459 1489 1579 1596 1677 1722
Linux 26.70 191 337 504 496 508 548 591 622 655 656 671 729 749 754 802
Windows 2000 6.43 406 363 220 187 179 169 167 168 165 158 156 155 147 140 137
unknown 5.83 31 56 82 92 91 97 102 114 143 143 160 138 168 159 218
FreeBSD 1.96 28 31 39 39 44 41 50 52 53 50 55 57 53 50 51
Solaris 9/10 0.61 1 3 14 13 13 13 14 14 14 15 16 16 17 17 18
Solaris 8 0.29 28 19 14 12 13 11 10 9 7 6 6 6 5 5 5
NT4/Windows 98 0.20 21 11 6 6 6 6 5 4 4 5 5 5 5 5 4
AIX 0.12 5 4 3 3 3 3 3 4 5 4 4 3 3 2 2
HP-UX 0.12 3 4 3 3 3 3 3 3 3 3 3 3 3 3 4
NetBSD/OpenBSD 0.07 0 0 1 1 1 1 1 2 2 2 2 2 2 2 2
MacOSX 0.04 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Windows XP 0.03 0 0 1 1 1 1 0 1 2 1 1 1 1 0 0
NetWare 0.03 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1
SCO UNIX 0.03 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
F5 Big-IP 0.03 0 1 1 1 1 1 1 4 2 0 0 0 0 1 1
Compaq Tru64 0.01 3 1 1 1 1 1 1 1 1 0 0 0 0 0 0
NetApp NetCache 0.01 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0
BSD/OS 0.00 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Solaris 2/7 0.00 5 2 0 0 0 0 0 0 0 0 0 0 0 0 0
AS/400 0.00 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0