To give customers the freedom to choose the solution that best meets their business needs, Sun brings a comprehensive systems approach to Linux. Sun provides Java technology, x86-based hardware, Red Hat Enterprise Linux, and SUSE Linux Enterprise Server along with Sun's Java Enterprise System and Sun Java Desktop System -- all supported by Sun services. The result -- everything you need -- developed, integrated, and tested by the world's leading supplier of network computing systems.
You cannot install it on Red Hat 7.3, but it works really great on Red Hat 9.0 and Fedora Core 1 and 2. There is also a Kemistry drawing program that is real slick for Red Hat 9