Chapter_0_-_Preliminaries

Chapter_0_-_Preliminaries - Operating Systems Grundlagen...

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Operating Systems Grundlagen der Betriebssysteme WT 2011/12 Dr. Boris Koldehofe Institut für Parallele und Verteilte Systeme (IPVS) Universität Stuttgart 0-Preliminaries 1
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Acknowledgements • Acknowledgements to – Marina Papatriantafilou (Chalmers) – Maarten van Steen (Vrije Amsterdam) • A lot of the course material is based on their lecture notes • Many Slides and Figures are also based on instructor material of various books – William Stallings (Operating systems) – Abraham Silberschatz (Operating System Concepts) – Andrew Tanenbaum (Modern Operating System Concepts) 0-Preliminaries 2
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Outline • Basic Information – Motivation – Chapter Overview – Course Information • Introduction: Computer System Overview 0-Preliminaries 3
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Operating System • Provides a set of services to system users (collection of service programs) Shield between the user and the hardware Resource manager: – CPU(s), memory, I/O devices Objectives: Convenience Efficiency Ability to evolve 0-Preliminaries 4 Applications Operating System (Set of Services) Hardware specific Interface Hardware Interfaces
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Services Provided by the Operating System Program execution: – CPU scheduling, resource (memory) allocation and management, synchronization Access to I/O devices – Uniform interfaces, hide details, optimize resources (disk scheduling) Controlled access to files – structure of data System/resource access – Allocation, authorization, protection,
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This note was uploaded on 01/15/2012 for the course CS 110 taught by Professor Boris during the Fall '11 term at HDM Stuttgart.

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Chapter_0_-_Preliminaries - Operating Systems Grundlagen...

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