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Reference.org
Common Open Software Environment
open-in-new
<p>The Common Open Software Environment (COSE) was an initiative formed in March 1993 by the major <a href="/facts/Unix/0pNL2seI">Unix</a> vendors of the time to create open, unified <a href="/facts/Operating_system/8XTuvMh2">operating system</a> (OS) standards. </p>