
Modern Operating Systems 9 29
cept of logging into a computer (and its parallel notion of the
ability to automatically log out a user after a specified period
of inactivity), no practical security exists. A glimpse at the
monitors of computers in almost any computer store will
demonstrate the problems involved in not providing log in
and automatic log out mechanisms.
Why It Matters Security is important not just to identify the
current user of the computer, but to prepare the computer
(and its current user) for access to networked resources.
Process
Management
Process management is the heart of a modern operating sys-
tem~it ...