Resumen de Dueling UNIXes and the UNIX wars
For nearly a decade, UNIX was UNIX, the operating system from Bell Labs.
By 1979, we had PWB 2.0 (Programmer's Workbench), Version 7, 32V (the port of V7 to the VAX architecture), and 3BSD (the first Berkeley release for the VAX). UNIX, after all, was not an AT&T OS. It was a "telecommunications support tool." This was a result of the 1956 "consent decree," which enjoined AT&T/Western Electric from "commencing…manufacture for sale or lease any equipment" other than that used in telephony or telegraphy. One of the few exceptions permitted to AT&T was "[experimentation] for the purpose of testing or developing new common carrier communications services"—UNIX...
