Operating System Concepts: Chapter 1 Homework Problems.
Please use the following format for a header:
/*
 * Your Name
 * cmpu334, Fall, 2015
 * assignment #x
 */

In a multiprogramming and time-sharing environment, several users
share the system simultaneously. This situation can result in various
security problems.
a. What are two such problems?
b. Can we ensure the same degree of security in a time-shared machine
as in a dedicated machine? Explain your answer.

The issue of resource utilization shows up in different forms in different
types of operating systems. List what resources must be managed
carefully in the following settings:
a. Mainframe or minicomputer systems
b. Workstations connected to servers

Under what circumstances would a user be better off using a timesharing
system rather than a PC or a single-user workstation?

How do clustered systems differ from SMP multiprocessor systems? What’s
required for two machines belonging to a cluster to cooperate to provide
a highly available service?