Novell says waiver cancels SCO's claims on Linux By Bob Mims The Salt Lake Tribune Novell Inc., claiming it sold only limited rights to the Unix operating system in 1995, has issued a waiver it says negates the SCO Group's claims on the offshoot, freely distributed Linux operating system. Claiming the purchase excluded control of "derivative works," or improvements to the program's code by independent developers, Novell had given SCO until noon Wednesday to retract its claim that Unix code was illegally imported into Linux. That allegation is at the heart of SCO's federal lawsuit against...