The ancient dispute over ownership of UNIX, and perhaps Linux too, has returned to court. Again. As has explained many, many, times since this matter first went to court in 2003, the roots of the case are the 1998 alliance between IBM and a company called the Santa Cruz Operation which sold a version of UNIX for x86 CPUs. Those two companies, plus Intel and Sequent, created “Project Monterrey” – an effort to create a unified version of UNIX that could run on multiple processors. By 2001,...