The B-right/V R2 Operating System

What happened

Although it may not seem like it, what can broadly be termed "personal computing devices" are based on only three conceptual models. In order of their historical appearance, they are: the "stand alone computer model," which first came into being as the batch processing mainframe with a command line interpreter; the "networked stand alone computer model," which saw its first incarnation as the object-oriented worksta…

Summary assembled by rule from the sources below

Sources