PPT-Operating Systems

ECE344 Ding Yuan Lecture 4 Threads Ding Yuan ECE344 Operating System 2 Processes Recall that a process includes many things An address space defining all the code and data pages OS resources eg open files and accounting information. 1. 7. Physical Memory. 7.1 Preparing a Program for Execution . Program Transformations . Logical-to-Physical Address Binding. 7.2 Memory Partitioning Schemes. Fixed Partitions . Variable Partitions. 1. 10. File Systems. 10.1 Basic Functions of File Management. 10.2 Hierarchical Model of a File System . 10.3 User’s View of Files. Logical File Organization. Operations on Files. 10.4 . File Directories. 1. 6. Deadlocks. 6.1 Deadlocks with Reusable and Consumable. . Resources. 6.2 Approaches to the Deadlock Problem . 6.3 A System Model . Resource Graphs . State Transitions. Deadlock States and Safe States . Dr . Damitha. . Karunaratna. . University of Colombo school of computing. Topics to discuss. What is an operating system(OS)?. Main objectives of an OS. Main functions of an OS. Evolution of OS.. Silberschatz. et all, 2009. Modern Operating Systems by . Tannenbaum. and . Bos. 2015. Operating Systems by Nutt 2004. Motivation. Distributed system . is collection of loosely coupled processors interconnected by a communications network. Chapter 8. File Management. Understanding Operating Systems,7e. Learning Objectives. After completing this chapter, you should be able to describe:. The fundamentals of file management . File-naming conventions, including the role of extensions. Sig Freund. CSC 8320 Fall . 2008. rfreund1@student.gsu.edu. Transparency in Distributed Operating Systems. Evolution of Modern Operating Systems. Centralized operating system. network access and resource sharing. Seventh Edition. Chapter . 2. Memory . Management: . Simple Systems. Understanding Operating Systems, 7e. 2. Learning Objectives. After completing this chapter, you should be able to describe:. The basic functionality of the four memory allocation schemes presented in . Keywords. System . Software, Operating . System (. OS), Virtual Machine, Utility Programs, Device Drivers, . Multitasking, Time Slice, Processor . Management, User Interface, Graphical . User . Interface, Command . 1. CS 5204 – Operating Systems. 2. Fault Tolerance. erroneous state. error. valid state. failure. causes. fault. leads to. recovery. An error is a manifestation of a fault that can lead to a failure.. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Operating systems (OS) can help computer users do many things, like managing and manipulating files and folders.. Operating systems also provide users the ability to control hardware components of a computer and its peripheral devices, like printers and scanners..