ABRAHAM SILBERSCHATZ the concepts that underlie operating systems. . As we wrote this Ninth Edition of Operating System Concepts, we were guided. operatingSystems/Operating System Concepts (9th Ed) - Gagne, Silberschatz, and wm-greece.info Find file Copy path. @japhethwong japhethwong Ignore commit. OPERATING SYSTEM CONCEPTS NINTH EDITION OPERATING SYSTEM CONCEPTS ABRAHAM SILBERSCHATZ Yale University PETER BAER GALVIN .
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Important theoretical results are covered, but formal proofs are omitted. The bibliographical notes at the end of each chapter contain pointers to research papers in which results were first presented and proved, as well as references to material for further reading.
In place of proofs, figures and examples are used to suggest why we should expect the result in question to be true.
The fundamental concepts and algorithms covered in the book are often based on those used in existing commercial operating systems. Our aim is to present these concepts and algorithms in a general setting that is not tied to one particular operating system. If a feature exists in a specific release, we state this explicitly. Consideration was also given to the feedback provided by the reviewers of the text, as well as comments submitted by readers of earlier editions.
On the supporting Web site for this text, we provide several sample syllabi that suggest various approaches for using the text in both introductory and advanced courses. As a general rule, we encourage readers to progress sequentially through the chapters, as this strategy provides the most thorough study of operating systems.
However, by using the sample syllabi, a reader can select a different ordering of chapters or subsections of chapters. Chapters 1 and 2 explain what operating systems are, what they do, and how they are designed and constructed. These chapters discuss what the common features of an operating system are, what an operating system does for the user, and what it does for the computer-system operator.
The presentation is motivational and explanatory in nature.
We have avoided a discussion of how things are done internally in these chapters. Therefore, they are suitable for individual readers or for students in lower-level classes who want to learn what an operating system is without getting into the details of the internal algorithms.
Chapters 3 through 6 describe the process concept and concurrency as the heart of modern operating systems. A process is the unit of work in a system.
Such a system consists of a collection of concurrently executing processes, some of which are operating-system processes those that execute system code and the rest of which are user processes those that execute user code.
These chapters cover methods for process scheduling, interprocess communication, process synchronization, and deadlock handling. Also included is a discussion of threads, as well as an examination of issues related to multicore systems.
Chapters 7 and 8 deal with the management of main memory during the execution of a process. To improve both the utilization of the CPU and the speed of its response to its users, the computer must keep several processes in memory. There are many different memory-management schemes, reflecting various approaches to memory management, and the effectiveness of a particular algorithm depends on the situation.
The Preface ix file system provides the mechanism for on-line storage of and access to both data and programs. We describe the classic internal algorithms and structures of storage management and provide a firm practical understanding of the algorithms used—their properties, advantages, and disadvantages.
Our discussion of storage also includes matters related to secondary and tertiary storage. Chapters 13 and 14 discuss the mechanisms necessary for the protection and security of computer systems. Protection is a mechanism for controlling the access of programs, processes, or users to the resources defined by a computer system.
This mechanism must provide a means of specifying the controls to be imposed, as well as a means of enforcement. Security protects the integrity of the information stored in the system both data and code , as well as the physical resources of the system, from unauthorized access, malicious destruction or alteration, and accidental introduction of inconsistency.
Chapters 15 and 16 in the book, and Appendices A through C which are available on www. Chapters 15 and 16 cover the Linux and Windows 7 operating systems. How is Chegg Study better than a printed Operating System Concepts student solution manual from the bookstore? Our interactive player makes it easy to find solutions to Operating System Concepts problems you're working on - just go to the chapter for your book.
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