1. A computer system comprising: a memory storage device comprising: a memory array configured to store user data; a set of zone definitions configured to divide the memory array into multiple physical segments; a set of zone parameters configured to define at least one of user access control and security control for each of the physical segments; and a controller configured to access the memory array, the set of zone definitions and the set of zone parameters; and a host system configured to access the memory array in accordance with the set of zone definitions and the set of zone parameters, wherein the set of zone definitions and the set of zone parameters are not affected by operating system commands or file commands used by the host system to access the memory array.