&gt; <i>Sun released the Z File System (ZFS) code under the Common Development and Distribution License, version 1 (CDDLv1) as part of OpenSolaris</i><p>ZFS isn&#x27;t an acronym. It <i>used</i> to stand for Zettabyte File System (not Z File System as the article states), but like BP (formally British Petroleum), ZFS is no longer an acronym.<p>I wouldn&#x27;t normally nitpick over something like this but that statement was the first sentence under the heading &quot;The Basic Facts&quot; and they didn&#x27;t even get it&#x27;s former name right.