PORTLAND, Ore.-The contentious issue of the SCO Group's lawsuit against IBM and its claims that the Linux operating system is an unauthorized derivative of Unix, to which SCO owns the rights, reared its ugly head at the O'Reilly Open Source Convention (Oscon) here on Wednesday.

In a late afternoon panel discussion titled "The IP Wars: SCO Versus Linux," moderator Chris DiBona, vice president and founder of Damage Studios, said the topic essentially involves a "SCO versus everybody else talk," adding that the lawsuit was probably brought for financial reasons as IBM is a player with a lot of money.

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