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 27140 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 34.70 1780 3683 6791 6932 7237 7431 7690 8013 8686 8805 9017 9219 9395 9621 9798
Linux 33.33 5113 6245 7169 7233 7505 7643 7877 7995 8347 8404 8538 8692 8796 8919 9095
Windows 2000 10.66 5476 4977 3064 2984 2947 2883 2818 2767 2838 2747 2712 2637 2563 2515 2448
unknown 8.84 1066 1415 1534 1759 1788 1804 1920 2002 2112 2189 2229 2338 2423 2527 2578
FreeBSD 4.53 842 992 1132 1129 1148 1164 1151 1160 1172 1178 1169 1151 1147 1158 1152
F5 Big-IP 2.12 0 84 423 378 382 412 425 453 501 512 543 552 595 614 644
Solaris 8 1.66 578 606 473 466 466 456 457 434 424 417 418 417 398 398 393
Solaris 9/10 1.47 104 207 303 294 304 320 332 353 381 377 385 390 416 398 399
NT4/Windows 98 0.57 607 416 202 195 187 176 160 158 152 143 138 133 118 121 113
MacOSX 0.46 63 80 95 101 100 101 106 110 121 125 125 124 122 128 116
AIX 0.28 120 109 76 78 76 77 73 81 81 76 77 77 70 54 58
AS/400 0.24 39 48 50 49 50 55 55 58 60 60 61 64 66 65 64
NetBSD/OpenBSD 0.22 46 53 57 58 61 61 60 61 59 53 55 55 56 55 59
HP-UX 0.20 34 35 48 46 49 52 49 51 56 55 56 55 52 51 51
NetWare 0.19 42 34 41 39 43 43 45 45 50 48 48 49 49 49 52
Solaris 2/7 0.18 175 119 75 71 67 62 54 47 47 43 43 40 41 36 37
Windows XP 0.12 0 0 14 17 17 21 21 28 32 34 38 39 35 35 36
BSD/OS 0.08 52 52 21 21 21 21 23 22 22 21 20 17 18 16 16
MacOS 0.05 34 26 15 15 15 15 15 14 15 14 13 12 12 12 12
OpenVMS 0.02 3 3 5 5 4 4 5 5 5 4 5 6 5 5 6
OS/390 0.02 0 0 4 4 4 4 4 4 4 4 4 4 4 4 4
Compaq Tru64 0.02 20 10 8 9 9 9 8 8 7 7 6 4 4 3 3
IRIX 0.01 7 5 4 4 4 4 4 4 3 3 3 3 3 3 3
SCO UNIX 0.01 7 4 2 2 2 1 1 1 1 1 1 1 1 1 2
Windows Server 2008 0.00 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1

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