Inside Macintosh: Memory
A Macintosh computer's available RAM is used by the Operating System, applications, and other software components, such as device drivers and system extensions. This section describes both the general organization of memory by the Operating System and the organization of the memory partition allocated to your application when it is launched. This section also provides a preliminary description of three related memory topics:
For more complete information on these three topics, you need to read the remaining chapters in this book.