Most of the focus on Mac OS X Leopard has been on cool user level
improvements. However, by using the command line, it's possible
to discover several important new under-the-hood features included
in Leopard for developers and researchers, such as Dtrace, OpenMPI,
and Swig for script bridging, according to Drew McCormack at MacResearch
on Monday. In fact, Leopard may be more focused on developers than end users