Operating System ConceptsThe fourth edition of this book has expanded coverage of memory management (modern computer architectures) and file system design and implementation. The book features expanded discussion of parallel, distributed and real-time systems. It now includes a tutorial appendix based on the NACHOS operating system, new material on atomicity and expanded coverage of protection and security. All the hardware issues in this edition are covered in one chapter for ease of understanding. Common operating systems (MS-DOS, OS/2, Macintosh, SunOS 5) are used throughout the book to illustrate concepts and to provide examples of performance characteristics. The coverage of UNIX and the Mach operating system has also been expanded. All the chapters include a summary and exercises. |
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Page 83
... machine. The VM operating system for IBM systems is the best example of the virtual-machine concept, because IBM pioneered the work in this area. By using CPU ... machine. Remember that the virtual-machine software. 3.6 Virtual Machines □ ...
... machine. The VM operating system for IBM systems is the best example of the virtual-machine concept, because IBM pioneered the work in this area. By using CPU ... machine. Remember that the virtual-machine software. 3.6 Virtual Machines □ ...
Page 84
... machine. They can then run any of the operating systems or software packages that are available on the underlying machine. For the IBM VM system, a user normally runs CMS, a single-user interactive operating system. The virtual-machine ...
... machine. They can then run any of the operating systems or software packages that are available on the underlying machine. For the IBM VM system, a user normally runs CMS, a single-user interactive operating system. The virtual-machine ...
Page 85
... machines, further slowing down the virtual machines in unpredictable ways. In the extreme case, it may be necessary to simulate all instructions to provide a true virtual machine. VM works for IBM machines because normal instructions ...
... machines, further slowing down the virtual machines in unpredictable ways. In the extreme case, it may be necessary to simulate all instructions to provide a true virtual machine. VM works for IBM machines because normal instructions ...
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Common terms and phrases
address space algorithm allocated allow amount approach associated block buffer cache Chapter client communication complete consider consists contains copy create deadlock defined described device Diana discussed disk distributed domain entry example execution Figure file system frames function hardware implemented instance instruction interrupt kernel layer lock logical Mach machine mechanism memory method object occur operating system performance physical possible presented Prince Prince Charles problem processors protection protocol Queen queue receive reference registers remote replacement request requires result royal scheduling scheme segment server shared simply space storage structure swap system call task thread transaction transfer UNIX usually various virtual Volume waiting write