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 6233 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 33.40 841 1096 1470 1492 1545 1589 1664 1738 1871 1920 1947 1982 2017 2064 2117
Windows Server 2003 32.56 345 620 1395 1419 1425 1489 1529 1614 1842 1865 1938 1975 2033 2034 2070
unknown 9.39 195 334 394 422 439 427 441 440 493 514 533 544 565 620 628
FreeBSD 7.37 127 229 341 352 355 371 372 386 429 429 441 443 445 448 443
Windows 2000 6.71 1032 936 426 415 403 394 390 378 399 382 372 369 352 350 341
Solaris 8 4.53 175 181 249 258 266 274 279 276 278 263 268 267 270 244 241
Solaris 9/10 2.49 42 81 112 122 133 132 136 116 130 136 140 148 150 155 160
F5 Big-IP 1.43 0 7 29 36 49 55 46 60 60 63 79 87 94 107 116
HP-UX 1.06 25 63 62 61 59 60 62 61 62 62 61 61 59 59 58
MacOSX 0.35 18 17 15 16 18 18 19 20 18 19 19 21 20 22 22
NT4/Windows 98 0.14 95 39 14 14 9 7 7 7 7 7 6 6 6 5 6
NetWare 0.14 4 5 7 9 11 9 9 10 8 7 8 8 8 8 9
NetBSD/OpenBSD 0.12 3 5 7 7 7 7 7 7 6 4 6 7 7 7 7
Solaris 2/7 0.07 51 23 6 4 5 4 3 3 4 4 4 3 4 4 3
NetApp NetCache 0.07 2 3 4 4 4 4 4 4 4 4 4 4 3 4 6
Windows XP 0.04 0 0 2 2 2 2 2 2 3 3 3 2 2 2 2
AIX 0.04 9 3 5 6 4 4 4 3 2 3 3 3 1 0 0
IRIX 0.02 24 2 1 1 1 1 1 1 1 1 1 1 1 1 1
MacOS 0.02 4 3 3 3 3 2 2 2 2 1 1 1 1 1 1
Compaq Tru64 0.02 4 3 1 1 1 1 1 1 1 1 1 1 1 1 1
AS/400 0.02 1 0 1 1 1 1 1 2 1 1 1 1 1 1 1
BSD/OS 0.01 3 3 3 3 2 0 0 0 0 0 0 0 0 0 0
SCO UNIX 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
OS/2 0.00 1 1 1 1 1 1 0 0 0 0 0 0 1 0 0