The virtual memory sub-system can be considered the core of a Solaris instance, and the implementation of Solaris virtual memory affects just about every other subsystem in the operating system. In this chapter, we look at some of the memory management basics. In the next chapter, we discuss practical techniques for analyzing and monitoring memory. In the subsequent chapters we analyze in more detail how Solaris implements virtual memory management.
A virtual memory (VM) system offers the following benefits: