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Unix architecture
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<p>A <a href="/facts/Unix/0pNL2seI">Unix</a> architecture is a computer <a href="/facts/Operating_system/8XTuvMh2">operating system</a> <a href="/facts/System_architecture/fDbXSn3s">system architecture</a> that embodies the <a href="/facts/Unix_philosophy/U2WTavT0">Unix philosophy</a>. It may adhere to standards such as the <a href="/facts/Single_UNIX_Specification/w1ba5bDt">Single UNIX Specification</a> (SUS) or similar <a href="/facts/POSIX/mQkSt234">POSIX</a> <a href="/facts/Institute_of_Electrical_and_Electronics_Engineers/UddC4pUW">IEEE</a> standard. No single published standard describes all Unix architecture computer operating systems — this is in part a legacy of the <a href="/facts/Unix_wars/qn70n7IA">Unix wars</a>. </p>