I ntrod uction or some time 32-bit machines have been a hot topic in the world F ofPCs. It seems that more powerful operating systems will soon be displacing DOS. Meanwhile, at least in the professional literature, lively discussion has been raging about what the future standard will be. Two alternatives seem to be emerging for the domain of server operating systems: Windows NT, and UNIX variants such as UNIX VS. Windows NT Solaris 2, UnixWare, and NextStep 486. In this context OS/2 plays no significant role since it is seen more as a competitor to Windows in its current version and future...

NIX achieved its widespread propagation, its penetration of UNIX history U the university domain, and its reach into research and industry due to its early dissemination by AT&T to all interested parties at almost no cost and as source code. UNIX's present functionality emanated not just from AT&T developers but also from many external developers who used the product and contributed their own further developments, which they then put at AT&T's disposal. (Consider the contributions of the University of California at Berkeley, for example.) With the rising commercialization of UNIX by AT&T (and...

UNIX achieved its widespread propagation, its penetration of the UNIX history university domain, and its reach into research and industry due to its early dissemination by AT&T to all interested parties at almost no cost and as source code. UNIX's present functionality emanated not just from AT&T developers but also from external developers who used the product and contributed their own further developments, which they then put at AT&T's disposal. (Consider the contributions of the University of California at Berkeley, for example.) With the rising commercialization of UNIX by AT&T (now by...