Red Hat Enterprise Linux is a Linux distribution developed by Red Hat for the commercial market.
Red Hat uses strict trademark rules to restrict free re-distribution of their officially supported versions of Red Hat Enterprise Linux but still freely provides its source code.
Red Hat Enterprise Linux is the world’s leading enterprise Linux platform. It’s an open source operating system (OS). It’s the foundation from which you can scale existing apps—and roll out emerging technologies—across bare-metal, virtual, container, and all types of cloud environments.[1]