Operating System Functions
What is memory management?
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p. 400 Fig. 8-8
Step 1.  The operating system transfers the least recently used data and program instructions to disk because memory is needed for other functions.
Step 2.  The operating system transfers data and program instructions from disk to memory when they are needed.
ØOptimizing use of random access memory (RAM)
ØWith virtual memory (VM), portion of hard disk is allocated to function as RAM