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 1698 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 28.86 257 298 365 372 381 388 409 418 447 458 471 475 490 484 497
Windows Server 2003 27.66 42 115 336 345 356 361 372 388 415 438 446 462 472 482 497
Windows 2000 14.90 334 362 246 247 244 241 242 238 243 236 229 225 223 232 234
unknown 7.68 92 87 99 112 108 109 109 111 126 122 128 135 127 129 124
Solaris 8 5.74 80 86 89 86 85 84 86 86 95 95 93 94 93 91 90
F5 Big-IP 4.56 0 19 46 48 49 58 57 67 68 73 78 79 80 80 85
Solaris 9/10 2.95 8 21 39 32 34 35 36 40 44 42 42 48 51 53 58
FreeBSD 2.09 17 24 27 25 30 30 28 25 29 30 31 33 35 39 38
Solaris 2/7 1.90 61 44 33 33 36 30 28 34 34 31 31 30 26 29 28
NT4/Windows 98 1.86 78 60 36 36 34 35 36 30 29 29 29 27 26 26 24
AIX 0.88 23 17 22 20 20 19 19 18 15 15 14 13 11 11 10
NetWare 0.39 3 3 5 6 5 3 3 6 5 8 6 8 7 6 7
HP-UX 0.34 5 4 5 7 7 7 7 8 8 8 5 5 5 5 4
IRIX 0.06 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
MacOSX 0.06 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1
BSD/OS 0.04 3 2 1 1 1 1 1 1 1 1 1 1 0 0 0
Windows XP 0.02 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0
Compaq Tru64 0.00 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
AS/400 0.00 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
NetBSD/OpenBSD 0.00 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0

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