Chapter 9
Storage Management
The purpose of an operating system is to provide a convenient environment for higher-level programming and to allocate the resources of the system efficiently. Chapter 8 shows how the operating system allocates CPU time to the processes in the system. This chapter shows how it allocates space. The two primary classes of storage space are main memory and peripheral memory. Disk memory is the most common peripheral storage and is the type described here.
9.1 Memory Allocation
Normally, programs that are not executing reside in a disk file. To execute, a program needs main memory space and CPU time. The operating system allocates space by loading the program from disk into main memory. ...
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