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 51209 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 52.13 10400 17859 23836 24218 24583 23438 24103 25169 26129 26315 26430 26358 26452 26543 26652
FreeBSD 13.14 2386 4237 5675 5766 5872 5955 6090 6270 6673 6764 6818 6790 6742 6676 6681
unknown 8.41 2045 2500 3079 3347 3418 3467 3686 3871 4142 4227 4306 4338 4486 4480 4509
Windows Server 2003 8.22 463 1326 3286 3383 3468 3490 3606 3793 4056 4142 4241 4263 4293 4361 4413
Windows 2000 4.96 3310 3725 2725 2695 2672 2649 2585 2597 2600 2525 2478 2404 2328 2300 2246
F5 Big-IP 3.80 0 638 1276 1252 1268 1401 1447 1634 1736 1838 1913 2023 2061 2134 2200
Solaris 8 2.76 1455 1616 1502 1481 1461 1438 1416 1431 1417 1409 1376 1356 1316 1304 1275
Solaris 9/10 1.56 155 328 619 622 645 657 681 724 752 753 759 801 825 832 862
HP-UX 1.30 213 333 567 579 591 597 601 614 629 635 645 649 653 681 703
Solaris 2/7 0.93 975 770 554 531 527 514 499 508 512 494 479 419 415 413 410
BSD/OS 0.79 463 465 443 435 425 425 414 427 429 388 383 378 378 374 364
IRIX 0.59 262 360 326 323 313 303 305 295 300 296 291 287 278 277 272
NT4/Windows 98 0.54 723 599 351 331 319 305 290 290 285 272 260 245 234 228 224
MacOSX 0.32 50 108 139 139 142 147 145 148 160 165 163 161 164 161 157
AIX 0.32 245 203 198 191 189 182 183 171 170 163 157 152 146 144 138
NetBSD/OpenBSD 0.08 31 48 56 59 55 57 55 50 41 38 39 35 35 33 33
AS/400 0.07 29 42 42 39 36 37 36 36 36 37 36 39 36 34 34
NetApp NetCache 0.02 9 12 9 7 7 8 8 9 10 10 11 9 7 6 6
Windows XP 0.01 0 0 6 7 6 6 6 7 9 9 8 7 7 7 6
MacOS 0.01 6 8 6 6 7 6 6 6 6 6 7 6 6 6 6
Compaq Tru64 0.01 12 9 6 5 6 6 6 6 6 6 6 4 5 4 4
NetWare 0.01 7 5 7 7 6 5 5 5 5 6 3 5 6 6 5
SCO UNIX 0.01 8 6 3 4 4 4 4 7 9 8 8 8 8 8 8
OS/390 0.00 0 0 1 1 1 0 1 1 1 1 1 1 1 1 1
Cisco 0.00 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0
OS/2 0.00 0 0 0 0 0 0 1 1 0 0 0 1 1 0 0
VM 0.00 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0

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