
22 9 Chapter 2: Architecture Overview
The Story So Far...
Personal
Computer
Operating
Systems
Operating systems shouldn't be of any concern to end users
and should be of only minimal concern to developers and
programmers. They should just go about their business, keep-
ing the hardware running smoothly and trafficking among
the needs of software.
Of course, the computer world is far from this happy picture.
Operating systems do matter. They not only influence devel-
opers in what and how they develop, but also impinge on us-
ers' consciousness when they get in the way (often by
misbehaving). Precisely because operating ...