> Xgrid is a proprietary program and distributed computing protocol
> developed by the Advanced Computation Group subdivision of Apple Inc
> that allows networked computers to contribute to a single task.
>
> It provides network administrators a method of creating a computing
> cluster, which allows them to exploit previously unused
> computational power for calculations that can be divided easily into
> smaller operations, such as Mandelbrot maps. The setup of an Xgrid
> cluster can be achieved at next to no cost, as Xgrid client is pre-
> installed on all computers running Mac OS X 10.4 to Mac OS X 10.7.
> The Xgrid client was not included in Mac OS X 10.8. The Xgrid
> controller, the job scheduler of the Xgrid operation, is also
> included within Mac OS X Server and as a free download from Apple.
> Apple has kept the command-line job control mechanism minimalist
> while providing an API to develop more sophisticated tools built
> around it.
Until Mac OS 10.7 Xgrid came pre-installed when installing Apple's
Server OS.
(Sometimes one just needs the Xgrid v1.1
