文件名称:
Modern Operating System
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文件大小: 7mb
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上传时间: 2012-10-01
详细说明： MODERN OPERATING SYSTEMS THIRD EDITION The third edition of this book differs from the second edition in numerous ways. To start with, the chapters have been reordered to place the central material at the beginning. There is also now more of a focus on the operating system as the creator of abstractions. Chapter 1, which has been heavily updated, introduces all the concepts. Chapter 2 is about the abstraction of the CPU into multiple processes. Chapter 3 is about the abstraction of physical memory into address spaces (virtual m emory). Chapter 4 is about the abstraction of the disk into files. Together, processes, virtual address spaces, and files are the key concepts that operating systems provide, so these chapters are now placed earlier than they previously had been. Chapter 1 has been heavily modified and updated in many places. For example, an introduction to the C programming language and the C run-time model is given for readers familiar only with Java. In Chapter 2, the discussion of threads has been revised and expanded reflecting their new importance. Among other things, there is now a section on IEEE standard Pthreads. Chapter 3, on memory management, has been reorganized to emphasize the idea that one of the key functions of an operating system is to provide the abstraction of a virtual address space for each process. Older material on memory management in batch systems has been removed, and the material on the implementation of paging has been updated to focus on the need to make it handle the larger address spaces now common and also the need for speed. Chapters 4-7 have been updated, with older material removed and some new material added. The sections on current research in these chapters have been rewritten from scratch. Many new problems and programming exercises have been added. Chapter 8 has been updated, including some material on multicore systems. A whole new section on virtualization technology, hypervisors, and virtual machines, has been added with VMware used as an example. Chapter 9 has been heavily revised and reorganized, with considerable new material on exploiting code bugs, malware, and defenses against them. Chapter 10, on Linux, is a revision of the old Chapter 10 (on UNIX and Linux). The focus is clearly on Linux now, with a great deal of new material. Chapter 11, on Windows Vista, is a major revision of the old Chap. 11 (on Windows 2000). It brings the treatment of Windows completely up to date. Chapter 12 is new. I felt that embedded operating systems, such as those found on cell phones and PDAs, are neglected in most textbooks, despite the fact that there are more of them out there than there are PCs and notebooks. This edition remedies this problem, with an extended discussion of Symbian OS, which is widely used on Smart Phones. Chapter 13, on operating system design, is largely unchanged from the second edition ...展开收缩
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