Unix now refers to a family of operating systems -- not a single OS. Thinking of Unix as a specific OS and a specific trademark in 2015 is just odd since the m

Unix now refers to a family of operating systems -- not a single OS. Thinking of Unix as a specific OS and a specific trademark in 2015 is just odd since the majority of people using various forms of Unix today were not even born when the distinction was even relevant. And just as with other families, the peculiarities of a single member does not automatically apply to the entire family.