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 4761 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 29.11 53 101 291 363 441 492 586 722 912 1042 1161 1336 1371 1432 1464
Linux 28.67 177 215 296 356 412 455 519 624 815 990 1159 1324 1396 1432 1453
Windows 2000 22.64 378 362 348 398 440 481 537 602 733 817 894 962 974 978 951
unknown 5.79 31 39 51 65 70 75 97 119 142 182 215 268 288 304 329
Solaris 8 4.27 103 102 103 102 104 113 116 114 131 138 140 156 155 162 164
Solaris 9/10 2.53 3 21 42 38 40 44 49 62 84 87 91 103 112 116 124
HP-UX 2.50 29 42 48 47 46 51 63 73 94 95 97 99 98 98 102
FreeBSD 1.59 29 32 35 37 38 41 39 40 46 53 58 65 65 62 62
Solaris 2/7 1.00 46 37 23 20 22 26 28 29 31 32 34 38 35 35 34
AIX 0.83 19 17 13 15 14 16 16 16 25 19 33 41 40 38 35
F5 Big-IP 0.70 0 3 7 8 9 9 10 23 26 30 30 31 32 33 31
NT4/Windows 98 0.15 18 9 5 5 4 4 3 5 5 5 5 4 5 5 5
AS/400 0.09 1 3 3 3 2 2 2 2 2 2 3 3 3 3 3
Compaq Tru64 0.08 7 7 3 3 4 3 1 2 3 3 3 3 3 2 0
NetBSD/OpenBSD 0.06 0 0 0 0 0 0 0 0 0 2 3 4 4 4 4
BSD/OS 0.00 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0
MacOSX 0.00 0 1 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 1 0 0
SCO UNIX 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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