Darl Charles McBride is the former CEO of The SCO Group

SCO Group

TSG Group, Inc. is a software company formerly called The SCO Group, Caldera Systems, and Caldera International. After acquiring the Santa Cruz Operation's Server Software and Services divisions, as well as UnixWare and OpenServer technologies, the company changed its focus to UNIX...

. He became the CEO of Caldera International on June 28, 2002.

On March 7, 2003, during McBride's tenure as CEO of the company, The SCO Group initiated litigation (SCO v. IBM

SCO v. IBM

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 Linux operating system due to alleged violations of IBM's Unix licenses in the development of Linux code at IBM.-Summary:On March 6, 2003,...

) against IBM, alleging breach of contract and copyright infringement claims connected to Unix

Unix

Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna...

. After Novell responded by denying they had sold copyrights to SCO, SCO filed a new lawsuit, SCO v. Novell

SCO v. Novell

SCO v. Novell was a United States lawsuit in which the The SCO Group claimed ownership of the source code for the Unix operating system, including portions of Linux...

, alleging slander of title

Slander of title

In law, slander of title is normally a claim involving real estate in which one entity falsely claims to own another entity's property. Alternatively, it is casting aspersion on someone else's property, business or goods, e.g. claiming a house is infested with termites , or falsely claiming you own...

, and later other claims. In August 2007, the United States District Court for the District of Utah ruled that Novell owned the copyrights at issue.