Linux on System z Current & Future Technology - z/VM - IBM

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IBM <strong>Linux</strong> and Technology CenterFacts on <strong>Linux</strong>• <strong>Linux</strong> kernel 1.0.0 was released with 176,250 lines of codeHow many lines of code has the kernel version 3.2 ?14,998,737 lines of code• How many of the world's top 500 supercomputers run <strong>Linux</strong> (Jan 2012)?457 / 91.4%• What percentage of web servers run <strong>Linux</strong> (Jan 2012) ?63.6% run Unix, of those 51.6% run <strong>Linux</strong> (46.5% unknown) = 32.8%• What percentage of desktop clients run <strong>Linux</strong> (Jan 2012) ?1.6%• What is the largest <strong>Linux</strong> architecture in number of devices ?ARM, > 100 million activated android devices• <strong>Linux</strong> is <strong>Linux</strong>, but …features, properties and quality differ dependent onyour platform and your use caseSource: http://kernel.orghttp://top500.org/statshttp://w3techs.comhttp://www.w3counter.comhttp://googleblog.blogspot.com/2011/05/android-momentum-mobile-and-more-at.html6© 2012 IBM Corporation
IBM <strong>Linux</strong> and Technology Center<strong>Linux</strong> kernel development: rate of changeAverage for the last 7 years (without renames): 102 days per release,5897 lines added, 2586 lines removed and 1221 lines modified per day12000Added10000RemovedModifiedLines of code8000600040002000011 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 3.0 3.1 3.2Kernel Version7© 2012 IBM Corporation
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Linux on System z Current & Future Technology - z/VM - IBM

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