No new news in Windows, Linux battle from year-end numbers

by Dennis Byron on February 29, 2008

The year-end IDC World­wide Quar­terly Server Tracker fac­tory rev­enue num­bers were released Feb­ru­ary 27. From an oper­at­ing sys­tem per­spec­tive, there’s really no new news in them (but see the press release or the rel­e­vant IDC report for ven­dor and other char­ac­ter­is­tics). But we men­tion them here for com­par­i­son with the quarter-by-quarter results we blogged on in Novem­ber, Sep­tem­ber and May 2007.

For 2007 vs. 2006, the net-net is Microsoft (MSFT) Windows-based sys­tems con­tin­ued to gain share pri­mar­ily at the expense of “Oth­er” (pri­mar­ily legacy mainframe-operating-system based). Unix/Linux-based server rev­enue was basi­cally flat year over year with Linux open source sys­tems con­tin­u­ing to dis­place UNIX sys­tems as expected. Linux gained slightly more than a per­cent of share while UNIX lost just under a per­cent of share.

As we noted in Novem­ber, it appears from eight quar­ters of IDC data that the Unix/Linux share of the mar­ket is sta­bi­liz­ing in the 40–45% range, although they hit 46% in quar­ter 4 2007 only. We will need to watch to see if this is an upward trend or a sea­sonal issue.

Although over­all Windows-based server rev­enues are gain­ing at the expense of “Other,” such as IBM (IBM) main­frame oper­at­ing soft­wre, the trends went the other way in quar­ter 4, so that is some­thing else we will watch. I believe that blip was totally sea­sonal because end of cal­en­dar year buy­ing is a 40-year pat­tern for legacy systems.

— Den­nis Byron

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