One of the largest commercial players in the Linux distribution market. Recently, Red Hat have begun to concentrate on the commercial market and no longer provide an official free Red Hat distribution for desktop users. The closest thing to their old "Red Hat n" style product is the semi-official Fedora Core project, which is a Red Hat sponsored, community driven distribution designed to pick up where Red Hat 9 left off.
For commercial users, a fully supported suite of products is available, covering the range from commercial desktops to enterprise-class servers. Despite the fact that the free desktop distribution has been killed off and replaced by Fedora Core, the free support provided to the community by Red Hat's developers is substantial.
Some concern is often raised by the fact that Red Hat, due to their long and large involvement in Linux development, have a worrying amount of control over core Linux software like the GNU C Library. Noise about this concern is usually raised by a small number of vocal Linux zealots and the concern is largely unfounded.
http://www.redhat.com