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. IBMSummary, 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