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 3890 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 41.47 199 601 1181 1220 1248 1278 1325 1362 1422 1449 1526 1609 1614 1650 1685
Linux 30.53 452 717 895 920 939 950 973 1011 1047 1068 1092 1147 1189 1219 1226
Windows 2000 15.74 1011 1110 686 674 653 645 632 623 606 583 565 546 534 512 496
unknown 5.65 81 116 150 148 156 162 162 180 191 198 200 205 227 237 243
FreeBSD 1.55 32 43 47 51 52 55 57 55 57 55 57 58 59 56 58
Solaris 8 1.24 49 48 48 50 49 50 50 49 50 48 47 43 43 41 42
F5 Big-IP 0.77 0 1 19 21 18 20 26 25 27 27 28 31 30 33 30
HP-UX 0.68 5 7 13 13 14 19 21 23 27 27 27 27 27 26 28
Solaris 9/10 0.63 6 17 25 22 23 23 22 23 22 23 23 26 24 23 20
NT4/Windows 98 0.43 95 55 20 18 17 17 16 17 18 17 16 13 12 13 13
AS/400 0.33 3 11 10 12 10 11 12 12 12 13 14 10 13 12 12
NetWare 0.26 5 9 6 8 9 9 9 9 9 9 10 10 10 10 11
AIX 0.18 16 8 7 7 7 7 7 7 7 7 7 7 7 6 6
Solaris 2/7 0.16 19 12 8 8 8 8 7 8 6 5 5 5 5 5 5
OS/390 0.15 0 0 3 3 5 4 3 2 4 4 6 9 7 5 6
NetBSD/OpenBSD 0.15 2 4 5 5 5 5 5 5 5 5 5 5 6 6 6
NetApp NetCache 0.05 1 2 1 1 1 1 1 2 2 2 2 2 2 2 2
BSD/OS 0.02 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0
Windows XP 0.02 0 0 1 1 1 0 0 0 0 1 1 1 1 1 1
Compaq Tru64 0.00 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0
MacOSX 0.00 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
OS/2 0.00 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0

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