[ShadowAce]

The only thing they can't legally dupe is the Red Hat name and trade mark symbol.

Wrong again. RH does put in proprietary software in their product. You cannot copy the "full product" (your words) legally for free.

[Golden Eagle]

"CentOS and others--Lineox, White Box Linux, Tao Linux, X/OS Linux and Scientific Linux--all rebuild a copy of Red Hat Enterprise Linux from the source code components Red Hat releases."

http://news.com.com/Programmers+bypass+Red+Hat+Linux+fees/2100-7344_3-5632434.html

Here's a guy at eWeek advocating ending your paid Red Hat subscription and just getting the your security updates from somebody else for free. If that's not proving duplicity between Red Hat and these clones I don't know what would.

http://blog.eweek.com/blogs/eweek_labs/archive/2006/03/02/8192.aspx