Here’s one you may have missed… This SCO vs. Linux thing keeps getting deeper. Maybe not as thick, but puts an interesting texture in this pudding: The MontaVista-Lineo case has some similarities to the much higher-profile legal battle between IBM and SCO Group, such as the GPL involvement. But one major difference is that both companies involved in the MontaVista-Lineo case support the GPL.
See also, this Forbes article: Previously, Caldera bought shares in two other Canopy companies, Troll Tech and Lineo, and later wrote off the Troll Tech investment but sold the Lineo shares at a profit, according to SEC filings. In 1999, Caldera sold its own shares to MTI, then bought those shares back last year, according to SEC filings.