General Features
l Portable to many other platforms
Core is independent of OS and window system
Multilanguage support (Ada, C, C++, Fortran, and java)
Consistent display
l Scalable
Consumer electronics, PCs, workstations, supercomputers
l Stable
Backwards compatibility required
l Industry standard
architecture review board  (Compaq,HP,IBM, Intel,Microsoft, SGI...)
Supported by most hardware accelerators
l Well-documented
l Easy to use