<https://congngheabc.com/openzfs-2-0-0-ra-mat-xay-dung-dua-tren-linux-va-freebsd#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://congngheabc.com/openzfs-2-0-0-ra-mat-xay-dung-dua-tren-linux-va-freebsd>