Operating system concepts 9th edition
... Open-Source Operating Systems Summary 47 Exercises 49 Bibliographical Notes 52 43 Operating- System Structures 2.1 Operating- System Services 55 2.2 User and Operating- System Interface 58 2.3 System ... 1.7 1.8 OVERVIEW Introduction What Operating Systems Do Computer -System Organization Computer -System Architecture 12 Operating- System Structure 19 Operating- System Operations 21 Process Management ... features of an operating system are and what an operating system does for the user We include coverage of both traditional PC and server operating systems, as well as operating systems for mobile...
Ngày tải lên: 16/02/2014, 22:58
... machines also provide a good platform for operating system research since many different operating systems may run on one physical system 12 Chapter Operating- System Structures 3.14 Why is a just-in-time ... 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 system 3.8 Using system calls, write a ... system If the system does not complete a task in a certain time frame, it may cause a breakdown of the entire system it is running Therefore when writing an operating system for a real-time system, ...
Ngày tải lên: 28/06/2014, 00:20
... a few other influential operating systems Operating- System Environments This book uses examples of many real-world operating systems to illustrate fundamental operating- system concepts However, ... 47-52 system- call firewalls, 600 system- call interface, 46 system- contention scope (SCS), 172 system device, 810 system disk, see boot disk system files, 389 system generation (SYSGEN), 70-71 system ... and explain what operating systems are, what they do, and how they are designed and constructed They discuss what the common features of an operating system are, what an operating system does for...
Ngày tải lên: 12/08/2014, 22:21
Operating-System concept 7th edition phần 3 pptx
... of Windows operating systems have used preemptive scheduling The Mac OS X operating system for the Macintosh uses preemptive scheduling; previous versions of the Macintosh operating system relied ... on 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 ... Often, the operating system will reclaim system resources from a canceled thread but will not reclaim all resources Therefore, canceling a thread asynchronously may not free a necessary system- wide...
Ngày tải lên: 12/08/2014, 22:21
Operating-System concept 7th edition phần 4 doc
... kernel mode, and since only the operating system executes in kernel mode, only the operating system can load the base and limit registers This scheme allows the operating system to change the value ... registers' contents The operating system, executing in kernel mode, is given unrestricted access to both operating system and users' memory This provision allows trap to operating system monitor—addressing ... process or thread, the operating system checks to make sure that the process has requested and has been allocated the resource A system table records whether each resource is free or allocated; for...
Ngày tải lên: 12/08/2014, 22:21
Operating-System concept 7th edition phần 5 doc
... important to note the location from which the free page will be allocated Many operating systems provide a pool of free pages for such requests These free pages are typically allocated when the ... 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 ... by the operating system/ it can be used to support user paging We can try to keep three free frames reserved on the free- frame list at all times Thus, when a page fault occurs, there is a free...
Ngày tải lên: 12/08/2014, 22:21
Operating-System concept 7th edition phần 6 ppsx
... track of free disk space, the system maintains a free- space list The free- space list records all free disk blocks—those not allocated to some file or directory To create a file, we search the free- space ... the free list is not a frequent action Usually, the free- space list head Figure 11.10 Linked free- space list on disk 11.6 Efficiency and Performance 431 operating system simply needs a free ... a file? 11.3 Consider a system where free space is kept in a free- space list a Suppose that the pointer to the free- space list is lost Can the system reconstruct the free- space list? Explain...
Ngày tải lên: 12/08/2014, 22:21
Operating-System concept 7th edition phần 7 pptx
... must it through the operating system To 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 ... it 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 ... protection system is generally more complex and less efficient than are those used in current operating systems If protection interferes with the ease of use of the system or significantly decreases system...
Ngày tải lên: 12/08/2014, 22:21
Operating-System concept 7th edition phần 8 ppsx
... Distributed Operating Systems In this section, we describe the two general categories of network-oriented operating systems: network operating systems and distributed operating systems Network operating ... different set of commands Distributed operating systems are designed to address this problem 16.2.2 Distributed Operating Systems In a distributed operating system, the users access remote resources ... structure of distributed systems and the networks that interconnect them We contrast the main differences in operating- system design between these systems and centralized systems In Chapter 17,...
Ngày tải lên: 12/08/2014, 22:21
Operating-System concept 7th edition phần 9 ppsx
... UNIX system This gives a student of operating systems an opportunity to read—and modify— real operating- system source code We also cover Windows XP in great detail This recent operating system ... Linux operating system with a small real-time kernel, thereby providing a system that acts as both a general-purpose and a real-time system This is the approach taken by the RTLinux operating system ... code, is freely available The Mach operating system is a modern operating system that provides compatibility with BSD UNIX Windows is another modern operating system from Microsoft for Intel Pentium...
Ngày tải lên: 12/08/2014, 22:21
Operating-System concept 7th edition phần 10 pot
... The environmental subsystems are servers that implement particular operating- system personalities The client-server model is used for implementing a variety of operating- system services besides ... as the Common Internet File System (CIF5) and is supported on a number of operating systems 22.6.2.2 Network Basic Input/Output System The network basic input/output system (NetBIOS) is a hardware-abstraction ... differences of the systems; it is not strictly chronological or ordered by importance The serious student of operating systems should be familiar with all these systems As we describe early systems, we...
Ngày tải lên: 12/08/2014, 22:21
The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System
... November, 1984 [9] Kahn, K.C et al iMAX: A Multiprocessor Operating System for an Object-Based Computer In Proc 8th Symposium on Operating Systems Principles, pages 127-136 ACM, December, 1981 [10] ... accessed using these techniques 8.1 Emulating Operating System Environments During the 1960’s the notion of a virtual machine base for operating systems development became commercially popular ... have undergone dramatic expansion in size, scope and complexity The Alto operating system [22], a workstation operating system of the early 70’s, occupied approximately 19K bytes, including code...
Ngày tải lên: 12/09/2012, 15:05
Artech.House.Publishers.Successful.Marketing.Strategy.for.High.Tech.Firms.3rd.edition.eBook-LiB.pdf
... controlling nuclear energy, to optimizing information management for attack systems (missile guiding systems, smart bombs), defense systems (optronics, antimissile missiles), and battlefield coordination ... strategy and tactics Another system, the Joint Surveillance Target Attack Radar System (Joint STARS), had a tremendous impact in the field Joint STARS is an aircraft-based system that uses sophisticated ... or components With the growing use of intelligent systems such as Programmable Logic Controllers (PLCs) and Industrial Control and Automation Systems, the industry uses a great deal of technology...
Ngày tải lên: 21/09/2012, 17:27
Tổng quan về Operating System
... Tanenbaum, Modern Operating Systems Second Edition Prentice Hall 2001 [3] Silberschatz et al, Operating System Concepts”, 6th Ed., 2002 [4] Silberschatz et al, Operating System Principles”, ... liệu học tập [1] Silberschatz, Galvin, Gagne, Operating System Concepts Seventh Edition John Wiley & Sons, Inc 2005 Tài liệu tham khảo [1] Ugur Halici, Operating Systems, Ankara’s University, ... Silberschatz et al, Operating System Principles”, 7th Ed., 2006 [5] A Tanenbaum, “Modern Operating Systems”, Prentice Hall, 2nd Ed., 2001 Điểm môn học 20% – thi kỳ 50% – thi cuối kỳ 30% – tập...
Ngày tải lên: 18/03/2013, 16:48
How to Write a Business Plan 8th Edition (Mike McKeever)
... good idea—consult an attorney licensed to practice in your state 8th edition How to Write a Business Plan by Mike McKeever EIGHTH Edition FEBRUARY 2007 Editor Richard Stim Book Design Terri Hearsh ... and accounting systems and make sure they function adequately (Some suggestions for setting up a system are contained in Chapter 6.) One of the items generated by your accounting system will be ... email whenever a new edition of this book is published! Sign up at www.nolo.com/legalupdater Check www.nolo.com/update to find recent changes in the law that affect the current edition of your book...
Ngày tải lên: 02/08/2013, 22:42
Operating system
... Warm up B Read the text below and complete it with the phrases in box Software System software Operating system Application software Reading Read the text below and find MS - DOS OS/2Wrap...
Ngày tải lên: 03/08/2013, 01:26
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Ngày tải lên: 23/08/2013, 18:34
Programming the Be Operating System-Chapter 9: Messages and Threads
... you’ve dealt mostly with system messages—messages generated and dispatched by the system The Message Protocols appendix of the Be Book defines all the system messages In short, system messages fall ... to handle one particular type of system message A system message is the result of an action external to the application The message is generated by the operating system, and is delivered to an ... messages, a quick review of system messages will minimize confusion between how these different types of messages are handled System message handling When an application receives a system message, it...
Ngày tải lên: 17/10/2013, 19:15
PHẦN 2: HỆ ĐIỀU HÀNH (OPERATING SYSTEM)
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Ngày tải lên: 19/10/2013, 18:15