SCO Group says it has uncovered a 1996 amendment to the contract under which Novell sold many of its Unix assets, which appears to give SCO claim to at least some Unix copyrights.

"Their examples are bogus." Lindon, Utah-based SCO sued IBM in March, claiming Big Blue illegally inserted SCO's Unix code into Linux.

The letters, dated Dec. 19, claim the ABIs that allow customers to run Unix applications over Linux are owned by SCO and are being used without the company's permission. In the letter, SCO cites ...

The examples showed code from Unix and Linux that appeared to be identical or similar. SCO alleges that millions of lines of its System V Unix code were illegally put into Linux, and it used the ...

An open letter to the Linux community published this week by Silicon Graphics indicates that SGI has conducted a comprehensive comparison of the Linux kernel and the Unix System V source code ...

It compared source code from the Unix System V release 4.1 software that SGI has licensed from SCO with a version of the Linux kernel released this June, SGI said.

Finally, the company can show several examples of lines of code in Linux software whose roots appear to be from derivatives of Unix code.

SCO says proprietary source code underlying Unix has been illegally copied into the Linux kernel. SCO critics argue that because the company shipped a Linux product under an open-source license ...

Judge orders IBM to reveal Unix code A judge orders Big Blue to show all versions of its two Unix products, AIX and Dynix, to the SCO Group.