SCO v. IBM is a civil lawsuit in the United States District Court of Utah. The SCO Group asserted that there are legal uncertainties regarding the use of the GNU/Linux operating system due to alleged violations of IBM's Unix licenses in the development of Linux code at IBM.
Read more about SCO V. IBM: Summary, SCO's Claims, Free Software and Open Source Community Reaction, The GPL Issue, Novell Enters The Controversy, IBM's AIX License, IBM Counterclaims Against SCO, Discovery, Controversial Code, Copyright Claims and DMCA Notices