Linux related operating system statistics

w3schools.com OS statistics

Source: Computerworld Denmark 7. march 2008 p 18, (IDC)

Installed base of server operating systems, world wide 2003-1010 (thousands)

                 2003   2004   2005   2006   2007   2008   2009   2010
Windows Server 12.126 14.169 16.420 18.872 21.495 24.371 27.496 30.910
Linux (bought)  2.741  2.915  3.177  3.842  4.332  4.991  5.780  6.667
Unix            3.494  3.383  3.243  3.161  3.104  3.078  3.063  3.091
Novell          3.427  2.857  2.380  1.963  1.588  1.244    920    620
Other             876    615    446    325    266    236    222    221
Total          22.666 23.938 25.665 28.153 30.785 33.920 37.481 41.510

Source: http://www.comon.dk/index.php/news/show/id=30455

Source: http://digi.no/php/art.php?id=210048

Worldwide installed systems ultimo 2004 (IDC)

PC: total 514 mill

Win95, win98, me         21 %

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Source: Gartner Dataquest april 2006, mill PC's (desktop+laptop)

Sales Europe, Middle East, Africa    2006q3   2006q1   2005q1
HP                                     3291     3117     2548
Dell                                   2078     2388     2019
Acer                                   2080     1710     1263
Fujitsu-Siemens                        1165     1290     1210
Toshiba                                 857      787      529
Others                                 9046     9744     9391
-------------------------------------------------------------
Total mill PCs                        18517    19036    16969

---------------------------------

Source: CRN BÝrsen www.crn.dk 2001-05-16, p 33

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Source: IDC

Worldwide totally installed clients and servers 2000:
Client
Windows 32 bit   82,1 %
DOS+Win16         7,5 %
Mac OS            4,8 %
Linux             3,9 %
Unix              0,6 %
Other             1,1 %

Servers totally installed:
Win32, NT, 2000  36,9 %
Linux            23,1 %
Unix             15,1 %
OS/400            1,5 %
Mainframe         0,1 %
Other            23,2 %

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Global server market 1999, 2000
Source: Datapoint

Manufacturer     1999   2000
Compaq           28,0   27,1
IBM              17,3   16,7
Dell             11,7   14,6
HP               12,3   11,2
Sun               5,2    7,2

Units
Compaq        962.000  1.066.000

Index             100  114,4
------------------------
Global PC market            2002   2003
Source IDC, http://www.crn.dk/index.php?page=news:show,id=9292
Google also for IDC's Worldwide Quarterly PC Tracker

                     2000   2001       2002   2003
Sold PC mill units    140             136,7   153
Value  mia USD        226              175    175

---------------
Source: IDC
CRN 2002-21-23 p 4 http://www.crn.dk/index.php?page=news:show,id=5628
CRN 2003-04-04 http://www.crn.dk/index.php?page=news:show,id=6422
CRN 2004-01-19 http://www.crn.dk/index.php?page=news:show,id=9310
CRN 2005-01-20  http://www.crn.dk/index.php/news/show/id=13642
CRN 2005-07-29  http://www.crn.dk/index.php/news/show/id=15695
CRN 2005-11-02  http://www.crn.dk/index.php/news/show/id=16798

Denmark, sales - market share in percentages
              2000q1  2001q1  2001q3  2001q4 2002q3  2002  2003 2005q1  2005q2
New HP                        (32)             27     28     34     24      27
Compaq         28,8    27,1    23      26                   
IBM            13,0    17,8    16      16      17     18     18     12      14
Fulitsu/Sie    12,9    11,2    14      11      12            10?    18       9
Dell            6,2    10,8     9      10      14            14     18      18
HP              5,9     6,4                   
Amitech                                         8
Acer                                                          5     12      12
Others         33,3    26,8                    22

Denmark, unit sales
Period       Desktops  Laptops  PC-servers    Total
2000q1        127.100   33.900       6.373
2000q4        149.500   45.000       7.800
2000          529.400  156.700      28.580  714.680
2001q1        105.600   36.500       8.100  150.281
2001q2                                      157.885
2001q3                                      151.365
2001q4        127.000   45.000       8.000  178.400
2001          440.900  164.900      32.150  637.950
2002q1                                      159.170
2002q2                                      128.000
2002q3                                      128.600
2002q4                                      174.200
2002                                        589.970
2003q1        105.600   51.000       7.600  164.200
2003                                        706.000
2004q2                                      173.000
2004          462.000  340.000      43.000  845.000
2005q2        113.800  117.300       9.400  240.500
2005q3        126.200  138.300      10.100  274.600

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www.CRN.dk readers: most advances in 2001?
win Nt/2000:       60 %
Linux              27 %
Mac OS 10           6 %
Unix                5 %
Novell netware      3 %

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OS license sales, 2000Q3, 2001Q3
Source:Gartner Dataquest, CRN.dk 2002-03-06 p 18

OS               2000q3    2001q3
Windows         740.000   750.000   +10.000   +1%
Unix            164.000   123.000   -41.000  -25%
Linux            31.000    70.000   +39.000 +126%


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PCs sold worldwide - units excl x86 servers

         2006 %   2006 mill   2007 %  mill   2008q1%  thou 2009q1%  thou
HP        16,5                   19    50,5    18,5  12634    20,5 13001
Dell      16,6                   15            15,2  10386    13,6  8651
Acer       5,8                    7,9          10,1   6863    11,6  7333
Leonovo                           7,5           7,0   4811     7,0  4427
Toshiba    4,1                    4,1           4,5   3090     5,5  3447
Others                                         44,7  30494    41,9 26601 
---------------------------------
Total            219                   259     100   68274    100  63460

source: http://www.comon.dk/index.php/news/show/id=34412
http://www.digi.no/810757/pc-salget-falt-mindre-enn-ventet