SCO Group Inc. set off a firestorm this year by suing IBM Corp., alleging that the firm improperly contributed SCO-owned code to Linux. For years, SCO and its predecessor have owned the rights to much of Unix software, which much of Linux imitates.
SCO's lawsuit angered supporters of Linux, who feel strongly that the software -- developed by programmers who donated their efforts -- should be free. SCO has been countersued by IBM. Another lawsuit by Linux distributor Red Hat Inc accuses SCO of trying to scare off Linux users.
SCO has pressed Linux users to sign a licensing agreement in order to avoid being sued.
The conflict took an odd turn Monday in Las Vegas, where SCO is hosting a conference for its Unix users. During a slide show presentation on the lawsuit, SCO executives displayed identical lines of code from Linux and from SCO's flagship version of Unix, known as System V. They wanted to show that the Linux code was an illegal copy of System V.
Currently there are no Talkback posted on "SCO undercuts its Linux case", 
