There&#x27;s actually some ambiguity over what it would take to relicense Linux. This came up at the time of GPLv3. Torvalds didn&#x27;t want to relicense it so the question was moot but there was some discussion.<p>Here&#x27;s a piece from the time quoting Eben Moglen on the topic: <a href="http:&#x2F;&#x2F;www.cnet.com&#x2F;news&#x2F;linux-to-gplv3-a-practical-matter-not-a-legal-one&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.cnet.com&#x2F;news&#x2F;linux-to-gplv3-a-practical-matter-n...</a><p>(Unfortunately the original linked to article was on a site that no longer exists.) It&#x27;s just one opinion of course. (And IANAL.)