operating system concepts 7th edition

... Host Operating System The JVM is typically implemented on top of a host operating system (see Pigure 2.17). This setup allows the JVM to bide the implementation details of the underlying operating ... the host operating system. For example, implementations of a. JVM for the Windows family of operating systems might use the Win32 API when creating Java threads; Linux and Solaris systems might ... be mapped to the underlying operating system, instead leaving that decision to the particular implementation.of the JVM. For example, the Windows XP operating system uses the one-to-one

Ngày tải lên: 12/08/2014, 22:21

... The operating system has several options at this point. It could terminate the user process. However, demand paging is the operating system& apos;s attempt to improve the computer system& apos;s ... The operating system determines where the desired page is residing on the disk but then finds that there are no free frames on the free-frame list; all memory is in use (Figure 9.9). The operating ... significant challenge. Some systems allocate a fixed percentage of memory for I/O buffers, whereas others allow both user processes and the I/O subsystem to compete for all system memory. 328 Chapter

Ngày tải lên: 12/08/2014, 22:21

... to boot a specific operating system. For instance, PCs and other systems can be dual-booted. Multiple operating systems can be installed, on such a system. How does the system know which one ... containing a different type of file system and a different operating system. The root partition, which contains the operating- system kernel and some- times other system files, is mounted at boot ... the operating system notes in its in-memory mount table structure that a file system is mounted, along with the type of the file system. The details of this function depend on the operating system.

Ngày tải lên: 12/08/2014, 22:21

... through the operating system. To do I/O, a user program executes a system call to request that the operating system perform I/O on its behalf (Figure 13.11). The operating system, executing ... is no longer needed. Other operating systems enforce a limit of one open file handle to such a device. Many operating systems provide functions 13.4 Kernel I/O Subsystem 515 that enable processes ... by examining two influential operating systems—UNIX and MULT1CS —to see how these concepts have been implemented there 14.3.2 An Example: UNIX In the UNIX operating system, a domain is associated

Ngày tải lên: 12/08/2014, 22:21

... Solaris, Windows XP, and Linux operating systems. Each of these systems assigns real-time processes the highest scheduling priority. For 19.4 Implementing Real-Time Operating Systems 701 example, Windows ... LynxOS and OnCore Systems are examples of real-time operating systems providing full support for virtual memory. 19.4 Implementing Real-Time Operating Systems Keeping in mind the many possible variations, ... necessary for implementing a real-time operating system. This list is by no means absolute; some systems provide more features than we list below, while other systems provide fewer. • Preemptive,

Ngày tải lên: 12/08/2014, 22:21

... implement particular operating- system personalities The client-server model is used for implementing a variety of operating- system services besides the environmental subsystems Security management, ... in the system. The lower 2 GB are specific to each process and are accessible by both user- and kernel-mode threads. Certain configurations of Windows XP reserve only 1 GB for operating- system ... name space. In contrast to UNIX, which roots the system name space in the file system, Windows XP uses an abstract name space and connects the file systems as devices. The object manager provides

Ngày tải lên: 12/08/2014, 22:21

... Sparc systems, and for PC and PowerMac systems 22.4 Silberschatz and Galvin 1999  The Linux System • Linux uses many tools developed as part of Berkeley’s BSD operating system, MIT’s X Window System, ... platforms • The core Linux operating system kernel is entirely original, but it can run much existing free UNIX software, resulting in an entire UNIX-compatible operating system free from proprietary ... modules (PAM) system is available under Linux • PAM is based on a shared library that can be used by any system component that needs to authenticate users • Access control under UNIX systems, including

Ngày tải lên: 30/01/2020, 05:32

... the general topic of operating systems and a handful of important concepts (multiprogramming, time sharing, distributed system, and so on) The purpose is to show why operating systems are what they ... the operating system for the following two settings: (a) handheld devices and (b) real-time systems a Batch programming b Virtual memory c Time sharing Answer: For real-time systems, the operating ... other operating systems Answer: Environmental subsystems are user-mode processes layered over the native executable services to enable Windows XP to run programs developed for other operating systems

Ngày tải lên: 16/10/2021, 15:40

... OPERATING SYSTEM CONCEPTS 7(17+(',7,21 OPERATING SYSTEM CONCEPTS ABRAHAM SILBERSCHATZ
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4UPSBHF ... Pat, and our sons, Tom and Jay Greg Gagne Preface Operating systems are an essential part of any computer system Similarly, a course on operating systems is an essential part of any computer science ... Greg, author Title: Operating system concepts / Abraham Silberschatz, Yale University, Peter Baer Galvin, Pluribus Networks, Greg Gagne, Westminster College Description: 10th edition | Hoboken,

Ngày tải lên: 22/10/2022, 08:39

... waiting are there in an operating system? Can busy waiting be avoided altogether? Explain your answer. 6.4 Explain why spinlocks are not appropriate for single-processor systems yet are often used ... spinlocks as a syn- chronization mechanism only on multiprocessor systems and not on single-processor systems? 6.24 In log-based systems that provide support for transactions, updates to data items ... the system. The counter is incremented after a new timestamp is assigned. The timestamps of the transactions determine the serializability order. Thus, if TS(T,) < TS(T,), then the system

Ngày tải lên: 12/08/2014, 22:21

... or write only Operating System Concepts – 7th Edition, Jan 2, 2005 13.13 Silberschatz, Galvin and Gagne ©2005 A Kernel I/O Structure Operating System Concepts – 7th Edition, ... programmed ... memory Operating System Concepts – 7th Edition, Jan 2, 2005 13.11 Silberschatz, Galvin and Gagne ©2005 Six Step Process to Perform DMA Transfer Operating System Concepts – 7th Edition, ... between queues Operating System Concepts – 7th Edition, Jan 2, 2005 13.32 Silberschatz, Galvin and Gagne ©2005 The STREAMS Structure Operating System Concepts – 7th Edition, Jan 2,

Ngày tải lên: 28/06/2014, 02:20

... Domaini can invoke on Objectj Operating System Concepts – 7th Edition, Apr 11, 2005 14.9 Silberschatz, Galvin and Gagne ©2005 Access Matrix Operating System Concepts – 7th Edition, Apr 11, 2005 14.10 ... Copy Operating System Concepts – 7th Edition, Apr 11, 2005 14.13 Silberschatz, Galvin and Gagne ©2005 Access Matrix of Figure A With Domains as Objects Figure B Operating System Concepts – 7th Edition, ... with Copy Rights Operating System Concepts – 7th Edition, Apr 11, 2005 14.15 Silberschatz, Galvin and Gagne ©2005 Access Matrix With Owner Rights Operating System Concepts – 7th Edition, Apr 11,

Ngày tải lên: 28/06/2014, 02:20

... sites at once Operating System Concepts – 7th Edition, Jan 10, 2005 15.16 Silberschatz, Galvin and Gagne ©2005 The Morris Internet Worm Operating System Concepts – 7th Edition, Jan ... Multipartite Armored Operating System Concepts – 7th Edition, Jan 10, 2005 15.14 Silberschatz, Galvin and Gagne ©2005 A Boot-sector Computer Virus Operating System Concepts – 7th Edition, Jan ... Operating System Concepts – 7th Edition, Jan 10, 2005 15.11 Silberschatz, Galvin and Gagne ©2005 Hypothetical Stack Frame After attack Before attack Operating System Concepts – 7th

Ngày tải lên: 28/06/2014, 02:20

... Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 1, 2005 Bus Bus - - Oriented System Oriented System 19.8 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, ... threads of equal priority Operating System Concepts – 7th Edition, Jan 1, 2005 19.21... arrives at the CPU to when it is serviced Operating System Concepts – 7th Edition, Jan 1, 2005 19.13 ... P2 Operating System Concepts – 7th Edition, Jan 1, 2005 19.17 Silberschatz, Galvin and Gagne ©2005 Missed Deadlines with Rate Monotonic Scheduling Operating System Concepts – 7th Edition,

Ngày tải lên: 28/06/2014, 02:20

... Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 2, 2005 Operating Systems Issues Operating Systems Issues  The operating system must guarantee the specific data ... request Operating System Concepts – 7th Edition, Jan 2, 2005 20.14 Silberschatz, Galvin and Gagne ©2005 Figure 20.1 Resources on a file server Operating System Concepts – 7th Edition, ... Scheduling Operating System Concepts – 7th Edition, Jan 2, 2005 20.17 Silberschatz,... maintain the status of its connection with the client Operating System Concepts – 7th Edition,

Ngày tải lên: 28/06/2014, 02:20

... System Calls 62 2.4 Types of System Calls 66 2.5 System Programs 74 2.6 Operating- System Design and Implementation 75 2.7 Operating- System Structure 78 2.8 Operating- System Debugging 86 2.9 Operating- System ... Open-Source Operating Systems 43 1.13 Summary 47 Exercises 49 Bibliographical Notes 52 Chapter 2 Operating- System Structures 2.1 Operating- System Services 55 2.2 User and Operating- System Interface ... 1 Introduction 1.1 What Operating Systems Do 4 1.2 Computer -System Organization 7 1.3 Computer -System Architecture 12 1.4 Operating- System Structure 19 1.5 Operating- System Operations 21 1.6...

Ngày tải lên: 16/02/2014, 22:58

... and is the unit of work in a modern time-sharing system. Such a system consists of a collection of processes: Operating- system processes executing system code and user processes executing user code. ... errors possible on a system. 3.7 What is the purpose of system calls? Answer: System calls allow user-level processes to request services of the operating sys- tem. 3.8 Using system calls, write ... more reliable operating system. 3.13 What is the main advantage for an operating- system designer of using a virtual-machine architecture? What is the main advantage for a user? Answer: The system is...

Ngày tải lên: 28/06/2014, 00:20

... 2002 1.1 Operating System Concepts Chapter 1: Introduction ■ What is an Operating System? ■ Mainframe Systems ■ Desktop Systems ■ Multiprocessor Systems ■ Distributed Systems ■ Clustered System ■ ... 2002 2.9 Operating System Concepts Device-Status Table xiv Contents Chapter 3 Operating- System Structures 3.1 System Components 55 3.2 Operating- System Services 61 3.3 System Calls 63 3.4 System Programs ... an Operating System? 3 1.2 Mainframe Systems 7 1.3 Desktop Systems 11 1.4 Multiprocessor Systems 12 1.5 Distributed Systems 14 1.6 Clustered Systems 16 1.7 Real-Time Systems 17 1.8 Handheld Systems...

Ngày tải lên: 19/03/2014, 13:41

... ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 File File - - System Control Blocks System Control Blocks A.7 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, ... Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 4.4BSD Layer Structure 4.4BSD Layer Structure A.20 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, ... 7 th Edition, Feb 11, 2005 4.3BSD Cylinder Group 4.3BSD Cylinder Group A.9 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 System Calls System Calls  System...

Ngày tải lên: 28/06/2014, 02:20

... ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 Mirror Set on Two Drives Mirror Set on Two Drives C.12 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, ... Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 File I/O File I/O C.36 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 Volume ... ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 Stripe Set on Two Drives Stripe Set on Two Drives C.3 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, ...

Ngày tải lên: 28/06/2014, 02:20