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Green thread
open-in-new
<p>In <a href="/facts/Computer_programming/QmSsFnu0">computer programming</a>, a green thread is a <a href="/facts/Thread_(computing)/hh8WHyPd">thread</a> that is scheduled by a <a href="/facts/Runtime_library/TJjgyw3t">runtime library</a> or <a href="/facts/Virtual_machine/BLevU3sx">virtual machine</a> (VM) instead of natively by the underlying <a href="/facts/Operating_system/8XTuvMh2">operating system</a> (OS). Green threads emulate multithreaded environments without relying on any native OS abilities, and they are managed in <a href="/facts/User_space/0yIzMY8t">user space</a> instead of <a href="/facts/Kernel_(operating_system)/uEj4U3Rz">kernel</a> space, enabling them to work in environments that do not have native thread support. </p>