红帽子分发版、红帽子企业版，它们包含了自由和开源软件（FOSS），他们从中获取利益已经一段时间了。

Red Hat's distribution, Red Hat Enterprise Linux, is comprised of free and open source software (FOSS) and they've been turning a profit for some time doing so.

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Fedora是Red Hat(红帽子)的免费版本，它的商业版(Red Hat Enterprise Linux, RHEL，红帽子Linux企业版)自2003年就已经成为了商业产品。

Fedora is the free version of Red Hat, whose RHEL (Red Hat Enterprise Linux) has been a commercial product since 2003.

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