Pixar's rendering software - big on Linux servers

Linux clustering is very popular for RenderMan customers. And while the software is "certainly used extensively on OS X workstations...very few people run RenderMan on OS X clusters," according to the source.

"Technically, OS X is very well suited [for clustering] but it does not seem to have made much headway," the source continued. That's ironic, of course, due to the Jobs-Apple connection. The higher price of Mac servers compared to Linux ones, as well as Linux's technical similarity to Unix, are the major factors, it seems.

"Large numbers of RenderMan licenses" are actually sold for Windows, said the source, though that is confined to animator workstations at this point.

Read more here: Pixar's rendering software - big on Linux servers, not Mac