Which reinvented 5ESS MERT which was the intended purpose of UNIX, which reinvented MULTICS. It's about more than real time reliable systems though. It's about

Which reinvented 5ESS MERT which was the intended purpose of UNIX, which reinvented MULTICS. It's about more than real time reliable systems though. It's about software freedom too. Ask yourself: "Am I authorized to pick an arbitrary pointer address, and store what I want there?" If the answer is "no, you can't, because some DLL or SO or DYLIB file might have been randomly loaded there" then you are not using a Free as in Freedom operating system.