That is interesting. If true, it would be the first GNU/Linux derived OS to achieve UNIX(™) compatibility. Whether Linux distributions could trivially be made compatible has been a hypothetical debate so far ("nobody wants to pay the licensing fees.") It would be big news to see that borne out. Hopefully more details will become available.
That is really interesting: http://beta.slashdot.org/submission/3145593/unix-03-certifie...
Rebranded RHEL?