General
This chapter provides a brief introduction to the various types of protection offered in the IA32 Protected Mode environment. The following topics are introduced:
Memory Protection.
IO Protection.
Privilege Levels.
Virtual Memory Paging.
Virtual 8086 Mode (also referred to as VM86 mode, or VM mode).
Task Switching.
Interrupt Handling.
Each of the topics introduced in this chapter are discussed in detail in subsequent chapters.
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