PPT-0 CMPT 300 Introduction to Operating Systems

Operating Systems Processes Multiprogramming When multiple programs share the same processor An example of pseudoparallelism Processes share processor each get a short turn so that in a perceptible length of time it appears processes run in parallel . 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 . Introduction to Operating Systems. . Introduction to Deadlocks. Acknowledgement: some slides are taken from Anthony D. Joseph’s course material at UC Berkeley . and Dr. Janice Reagan’s course material at SFU. 1. 8. Virtual Memory. 8.1 Principles of Virtual Memory . 8.2 Implementations of Virtual Memory . Paging. Segmentation. Paging With Segmentation. Paging of System Tables. Translation Look-aside Buffers . Vecchiola. Postdoctoral Research Fellow. csve@unimelb.edu.au. Cloud Computing and Distributed Systems (CLOUDS) Lab . Dept. of Computer Science and Software Engineering. The University of Melbourne. Operating System Architecture. . Mutual Exclusion. © Janice Regan, CMPT 300, 2007-2016 . 1. Implementation. Now we have the basic ideas we need. How do we actually implement mutual exclusion?. There are several approaches. Interrupt disabling. 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.. History and Hardware. 1: Operating Systems Overview. 2. This is the simplest animal with a “brain”. Caenorphabditis elegans. C. elegans.  is one of the simplest organisms with a nervous system. This system comprises 302 neurons the pattern of which has been comprehensively mapped, in what is known as a connectome. . Introduction. Content from. Operating Systems in Depth Thomas w. . Doeppner. ©2011. Operating Systems Principles & Practices by Anderson and . Dahlin. . 2014. Tannenbaum 2015. Stallings 2015. 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.. System Principles . Peter Reiher. . Outline. Administrative materials. Introduction to the course. Why study operating systems?. Basics of operating systems. Administrative Issues. Instructor and TAs. System Principles . Peter Reiher. . Outline. Administrative materials. Introduction to the course. Why study operating systems?. Basics of operating systems. Administrative Issues. Instructor and TAs. By: Lecturer . Raoof. . Talal. 1.1 What are the Operating Systems. ?. An . operating system . is a program that manages the computer hardware. It also acts as an intermediary between the computer user and the computer hardware. By: Elham Sunbu. OUTLINES. What is Operating Systems ??. Types of computers in the . network. Features of operating systems . Types of Operating Systems. Networks Operating Systems . Review of LAN and WAN.