The coverage of this text includes the basics of operating systems: what they are, what they do, how they work, how they evaluated and how they compare to each other. The first part describes the management of memory, processors, devices, files and network and system security, ethics and overall system management. The second part focuses on four specific operating systems (UNIX, MS DOS, Windows and Linux) and how they apply to the theory explained in the first half. Updates include discussions of new technologies that affect operating system design, including multi core chips and virtualization, making this edition a current and relevant resource.
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