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DC/OSx
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<h2 id="history">History</h2> <p>DC/OSx was the first <a href="/facts/Symmetric_multiprocessing/T9CahUsN">symmetric multiprocessing</a> (SMP) implementation on Unix System V Release 4.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a><a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> </p><p>DC/OSx was later superseded by SINIX, a version of the Unix operating system from SNI.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> Features of DC/OSx were incorporated into SINIX; later versions were branded as Reliant Unix. </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/BS2000/LsvvBUlF">BS2000</a></li> <li><a href="/facts/Timeline_of_operating_systems/VUkt443G">Timeline of operating systems</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://cbbrowne.com/info/unixlist.html">List of Unix Variants</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>DiDio, Laura (27 February 1989). "Pyramid offers host-class processor based on Unix". Network World. IDG. p. 23-24. Retrieved 2 May 2024. <a href="https://books.google.com/books?id=sw8EAAAAMBAJ" target="_blank">https://books.google.com/books?id=sw8EAAAAMBAJ</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Dc/osx: Definition and additional resources from ZDNet <a href="https://web.archive.org/web/20090527090936/http://dictionary.zdnet.com/definition/dc/osx.html" target="_blank">https://web.archive.org/web/20090527090936/http://dictionary.zdnet.com/definition/dc/osx.html</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Pyramid: source of Nile - Pyramid Technology Corp. announces Nile Series of RISC-based symmetric multiprocessing servers - Client/Server Computing Edition <a href="http://findarticles.com/p/articles/mi_m0SMG/is_n17_v13/ai_14765831" target="_blank">http://findarticles.com/p/articles/mi_m0SMG/is_n17_v13/ai_14765831</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Siemens Nixdorf Bets On Intel And 64-Bit Solaris X86, Computergram International <a href="http://findarticles.com/p/articles/mi_m0CGN/is_n3399/ai_20538963" target="_blank">http://findarticles.com/p/articles/mi_m0CGN/is_n3399/ai_20538963</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> </ol>