... versions of Window's operating Systems hay ised preemptive scheduling The Mac OS * operating system for the M also uses preemptive scheduling, previous ns of the Macintosh ones 3 system relied on ... scheduling is the basis o i Be aching the CPU among The operating systems By computer more Brodtictive.In oe độc nã —— system can make the concepts and present several ee ie NHAN „ roblem of ... introduced threads to the process model O i systems that support them, it is kernel-level threads nel roce 2 eee in fact being scheduled by the operating system ae the oS a ee scheduling and thread
Ngày tải lên: 29/04/2017, 10:18
... 5Silberschatz, Galvin and Gagne 2002 4.9 Operating System Concepts Ready Queue And Various I/O Device Queues Representation of Process Scheduling Trang 6Silberschatz, Galvin and Gagne 2002 4.11 Operating ... exiting ✔Operating system does not allow child to continue if its parent terminates ✔Cascading termination Trang 10Silberschatz, Galvin and Gagne 2002 4.19 Operating System Concepts Cooperating Processes ... Trang 4Silberschatz, Galvin and Gagne 2002 4.7 Operating System Concepts CPU Switch From Process to Process Process Scheduling Queues ■ Job queue – set of all processes in the system ■ Ready queue
Ngày tải lên: 30/01/2020, 00:44
Lecture Operating system concepts (Sixth ed) - Chapter 11: File-system interface
... Trang 13Silberschatz, Galvin and Gagne 2002 11.25 Operating System Concepts File System Mounting ■ A file system must be mounted before it can be accessed ■ A unmounted file system (I.e Fig 11-11(b)) ... Trang 1Silberschatz, Galvin and Gagne 2002 11.1 Operating System Concepts Chapter 11: File-System Interface ■ File Concept ■ Access Methods ■ Directory Structure ■ File System Mounting ■ File ... distributed systems, files may be shared across a network ■ Network File System (NFS) is a common distributed file-sharing method Trang 15Silberschatz, Galvin and Gagne 2002 11.29 Operating System Concepts
Ngày tải lên: 30/01/2020, 00:49
Lecture Operating system concepts (Sixth ed) - Chapter 14: Mass-storage systems
... 14, 124, 65, 67 Trang 3Silberschatz, Galvin and Gagne 2002 13.5Operating System Concepts Trang 4Silberschatz, Galvin and Gagne 2002 13.7Operating System Concepts SSTF (Cont.) SCAN ■ The disk ... the first one Trang 6Silberschatz, Galvin and Gagne 2002 13.11Operating System Concepts Trang 7Silberschatz, Galvin and Gagne 2002 13.13Operating System Concepts C-LOOK (Cont.) Selecting a ... Trang 10Silberschatz, Galvin and Gagne 2002 13.19Operating System Concepts 4.3 BSD Data-Segment Swap Map Trang 11Silberschatz, Galvin and Gagne 2002 13.21Operating System Concepts RAID (cont)
Ngày tải lên: 30/01/2020, 00:59
Lecture Operating system concepts (Sixth ed) - Chapter 5: Threads
... UNIX operating systems Trang 8Silberschatz, Galvin and Gagne 2002 5.15 Operating System Concepts Solaris 2 Threads Solaris Process Trang 9Silberschatz, Galvin and Gagne 2002 5.17 Operating System ... 6Silberschatz, Galvin and Gagne 2002 5.11 Operating System Concepts Many-to-Many Model n Allows many user level threads to be mapped to many kernel threads n Allows the operating system to create ... package Many-to-Many Model Trang 7Silberschatz, Galvin and Gagne 2002 5.13 Operating System Concepts Threading Issues n Semantics of fork() and exec() system calls n Thread cancellation n Signal
Ngày tải lên: 30/01/2020, 01:13
Lecture Operating system concepts (Sixth ed) - Module A: The FreeBSD system
... Like most computer systems, UNIX consists of two separable parts: Trang 4Silberschatz, Galvin and Gagne 2002 A.7Operating System Concepts 4.3BSD Layer Structure System Calls ■ System calls define ... Provided powerful operating-system primitives on aninexpensive platform ■ Small size, modular, clean design Trang 3Silberschatz, Galvin and Gagne 2002 A.5Operating System Concepts UNIX Design ... executing in system mode ■ The kernel stack and the user structure together compose the system data segment for the process. Trang 15Silberschatz, Galvin and Gagne 2002 A.29Operating System Concepts
Ngày tải lên: 30/01/2020, 01:17
Lecture Operating system concepts (Sixth ed) - Chapter 16: Distributed-file systems
... is the root file system of a workstation, from which the shared name space Trang 11* vnode number — index into an array containing the inodes of files in a single volume Trang 12system for both ... Trang 1m Example Systems Trang 2operations that forms its client interface m@ A transparent DFS hides the location ... status cache is kept in virtual memory to allow rapid servicing of stat (file status returning) system calls
Ngày tải lên: 30/01/2020, 01:27
Lecture Operating system concepts (Sixth ed) - Chapter 15: Network structures
... 12Silberschatz, Galvin and Gagne 2002 15.23 Operating System Concepts The ISO Protocol Layer The ISO Network Message Trang 13Silberschatz, Galvin and Gagne 2002 15.25 Operating System Concepts The ... File Transfer Protocol (FTP) mechanism Trang 3Silberschatz, Galvin and Gagne 2002 15.5 Operating System Concepts Distributed-Operating Systems ■ Users not aware of multiplicity of machines Access ... rather than transfer all data locally Trang 4Silberschatz, Galvin and Gagne 2002 15.7 Operating System Concepts Topology ■ Sites in the system can be physically connected in a variety of ways;
Ngày tải lên: 30/01/2020, 01:52
Lecture Operating system concepts (Sixth ed) - Chapter 9: Memory management
... 11Silberschatz, Galvin and Gagne 2002 9.21Operating System Concepts Address Translation Architecture Paging Example Trang 12Silberschatz, Galvin and Gagne 2002 9.23Operating System Concepts Paging ... 21Silberschatz, Galvin and Gagne 2002 9.41Operating System Concepts Shared Pages Example stack,symbol table, arrays Trang 22Silberschatz, Galvin and Gagne 2002 9.43Operating System Concepts User’s ... 25Silberschatz, Galvin and Gagne 2002 9.49Operating System Concepts Example of Segmentation Sharing of Segments Trang 26Silberschatz, Galvin and Gagne 2002 9.51Operating System Concepts Segmentation
Ngày tải lên: 30/01/2020, 02:00
Lecture Operating system concepts (Sixth ed) - Chapter 13: I/O systems
... Galvin and Gagne 2002 13.3 Operating System Concepts A Typical PC Bus Structure Device I/O Port Locations on PCs (partial) Trang 3Silberschatz, Galvin and Gagne 2002 13.5 Operating System Concepts ... Galvin and Gagne 2002 13.7 Operating System Concepts Interrupt-Driven I/O Cycle Intel Pentium Processor Event-Vector Table Trang 5Silberschatz, Galvin and Gagne 2002 13.9 Operating System Concepts ... Trang 1Silberschatz, Galvin and Gagne 2002 13.1 Operating System Concepts Chapter 13: I/O Systems ■ I/O Hardware ■ Application I/O Interface ■ Kernel I/O Subsystem ■ Transforming I/O Requests
Ngày tải lên: 30/01/2020, 02:14
Lecture Operating system concepts (Sixth ed) - Chapter 1: Introduction
... 1Silberschatz, Galvin and Gagne 2002 1.1 Operating System Concepts Chapter 1: Introduction ■ What is an Operating System? ■ Mainframe Systems ■ Desktop Systems ■ Multiprocessor Systems ■ Distributed Systems ... 2Silberschatz, Galvin and Gagne 2002 1.3 Operating System Concepts Computer System Components 1 Hardware – provides basic computing resources (CPU, memory, I/O devices) 2 Operating system – controls ... machines, other computers) Abstract View of System Components Trang 3Silberschatz, Galvin and Gagne 2002 1.5 Operating System Concepts Operating System Definitions ■ Resource allocator – manages
Ngày tải lên: 30/01/2020, 02:32
Lecture Operating system concepts (Sixth ed) - Chapter 7: Process synchronization
... for n processes Trang 10Silberschatz, Galvin and Gagne 2002 7.19Operating System Concepts Trang 11Silberschatz, Galvin and Gagne 2002 7.21Operating System Concepts Mutual Exclusion with Test-and-Set ... Trang 17Silberschatz, Galvin and Gagne 2002 7.33Operating System Concepts Classical Problems of Synchronization Trang 18Silberschatz, Galvin and Gagne 2002 7.35Operating System Concepts Bounded-Buffer ... … } while (1); Trang 19Silberschatz, Galvin and Gagne 2002 7.37Operating System Concepts Trang 20Silberschatz, Galvin and Gagne 2002 7.39Operating System Concepts Readers-Writers Problem Reader
Ngày tải lên: 30/01/2020, 02:35
Lecture Operating system concepts (Sixth ed) - Chapter 10: Virtual memory
... 26Silberschatz, Galvin and Gagne 2002 10.51Operating System Concepts Reason Why Frames Used For I/O Must Be In Memory Silberschatz, Galvin and Gagne 2002 10.52 Operating System Concepts Operating System ... 4Silberschatz, Galvin and Gagne 2002 10.7Operating System Concepts Page Table When Some Pages Are Not in Main Memory Silberschatz, Galvin and Gagne 2002 10.8 Operating System Concepts Page Fault ... the process Silberschatz, Galvin and Gagne 2002 10.20 Operating System Concepts Page Replacement Trang 11Silberschatz, Galvin and Gagne 2002 10.21Operating System Concepts Page Replacement
Ngày tải lên: 30/01/2020, 02:38
Lecture Operating system concepts (Sixth ed) - Chapter 21: Windows 2000
... 17Silberschatz, Galvin and Gagne 2002 21.33Operating System Concepts Volume Set On Two Drives Stripe Set on Two Drives Trang 18Silberschatz, Galvin and Gagne 2002 21.35Operating System Concepts Stripe ... Layered system of modules ■ Protected mode — HAL, kernel, executive ■ User mode — collection of subsystems ✦ Environmental subsystems emulate different operatingsystems ✦ Protection subsystems ... subsystem is designed to run POSIX applications following the POSIX.1 standard which isbased on the UNIX model Trang 14Silberschatz, Galvin and Gagne 2002 21.27Operating System Concepts File System
Ngày tải lên: 30/01/2020, 03:02
Lecture Operating system concepts (Sixth ed) - Chapter 17: Distributed coordination
... 19Silberschatz, Galvin and Gagne 2002 17.37Operating System Concepts Augmented Local Wait-For Graphs Augmented Local Wait-For Graph in Site S2 Trang 20Silberschatz, Galvin and Gagne 2002 17.39Operating System ... create a total ordering Trang 3Silberschatz, Galvin and Gagne 2002 17.5Operating System Concepts Distributed Mutual Exclusion (DME) ■ Assumptions ✦ The system consists of n processes; each process ... protocol is therefore suited for small, stable sets of cooperating Trang 6Silberschatz, Galvin and Gagne 2002 17.11Operating System Concepts Atomicity ■ Either all the operations associated
Ngày tải lên: 30/01/2020, 04:34
Lecture Operating system concepts (Sixth ed) - Chapter 12: File system implementation
... Gagne 2002 12.3Operating System Concepts Layered File System A Typical File Control Block Trang 3Silberschatz, Galvin and Gagne 2002 12.5Operating System Concepts In-Memory File System Structures ... Galvin and Gagne 2002 12.13Operating System Concepts Extent-Based Systems ■ Many newer file systems (I.e Veritas File System) use amodified contiguous allocation scheme ■ Extent-based file systems ... Linked Allocation Trang 9Silberschatz, Galvin and Gagne 2002 12.17Operating System Concepts Trang 10Silberschatz, Galvin and Gagne 2002 12.19Operating System Concepts Example of Indexed Allocation
Ngày tải lên: 30/01/2020, 04:36
Lecture Operating system concepts (Sixth ed) - Chapter 3: Operating-system structures
... 1Silberschatz, Galvin and Gagne 2002 3.1 Operating System Concepts Chapter 3: Operating-System Structures ■ System Components ■ Operating System Services ■ System Calls ■ System Programs ■ System Structure ... view of the operation system is defined by system programs, not the actual system calls Trang 11Silberschatz, Galvin and Gagne 2002 3.21 Operating System Concepts MS-DOS System Structure ■ MS-DOS ... program, and pop off the stack by operating system. Trang 8Silberschatz, Galvin and Gagne 2002 3.15 Operating System Concepts Passing of Parameters As A Table Types of System Calls ■ Process control
Ngày tải lên: 30/01/2020, 04:43
Lecture Operating system concepts (Sixth ed) - Chapter 6: CPU scheduling
... Galvin and Gagne 2002 6.3 Operating System Concepts Alternating Sequence of CPU And I/O Bursts Histogram of CPU-burst Times Trang 3Silberschatz, Galvin and Gagne 2002 6.5 Operating System Concepts ... 16Silberschatz, Galvin and Gagne 2002 6.31 Operating System Concepts Evaluation of CPU Schedulers by Simulation Solaris 2 Scheduling Trang 17Silberschatz, Galvin and Gagne 2002 6.33 Operating System Concepts ... Trang 1Silberschatz, Galvin and Gagne 2002 6.1 Operating System Concepts Chapter 6: CPU Scheduling ■ Basic Concepts ■ Scheduling Criteria ■ Scheduling Algorithms
Ngày tải lên: 30/01/2020, 04:54
Lecture Operating system concepts (Sixth ed) - Chapter 18: Protection
... Gagne 2002 18.13 Operating System Concepts Access Matrix With Owner Rights Modified Access Matrix of Figure B Trang 8Silberschatz, Galvin and Gagne 2002 18.15 Operating System Concepts Revocation ... 5Silberschatz, Galvin and Gagne 2002 18.9 Operating System Concepts Use of Access Matrix (Cont.) ■ Access matrix design separates mechanism from policy ✦ Mechanism ✔Operating system provides ... 6Silberschatz, Galvin and Gagne 2002 18.11 Operating System Concepts Access Matrix of Figure A With Domains as Objects Figure B Access Matrix with Copy Rights Trang 7Silberschatz, Galvin and Gagne
Ngày tải lên: 30/01/2020, 05:40