Operating Systems Lecture 2a Dr Ronald Grau School of Engineering and Informatics Spring term 2018 Previous Lecture 1 Operating system architectures Abstractions Processes Virtual memory Files System call interface User mode vs. Kernel mode Basic design principles Separation of interface and implementation Separation of policy and […]
Operating Systems Lecture 1a Dr Ronald Grau School of Engineering and Informatics Spring term 2018 Operating System – What’s that again? 1 A piece of software (virtual machine) Provides abstractions from the hardware Provides the basic services for running other programs Gives us a user interface (the shell or GUI)
Operating Systems Lecture 10a Dr Ronald Grau School of Engineering and Informatics Spring term 2018 Previously 1 Logical file system Provides file interface (e.g., system calls) File organisation module Manages block allocation to files E.g. i-nodes in UNIX Basic file system Block-based storage format E.g. FAT-32, NTFS, ext4
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Operating Systems Lecture 11a Dr Ronald Grau School of Engineering and Informatics Spring term 2018 Previously 1 File systems and I/O Today 2 Security Terminology Cryptography Authentication Access Control Vulnerabilities Design What is security? 3 Keywords that describe aspects of security Freedom / Protection (from harm, damage, threat, anxiety,
CS 214: Systems Programming, Spring 2019 Assignment 3: Where’s the file? Warning: This is a complex assignment that will take time to code and test. Be sure to define modules and give it its due time. Make sure to read the assignment carefully! 0. Abstract Git is a a popular current iteration of a series
1- We will be using the CloudSim simulation tool in our project. 2- Will have 3 phases in this project. 3- The project will include tool installation, configuration, writing code, results generation, results analysis and reporting. 4- You are asked to submit one report (doc) that includes all your work which should be showing steps,
Practical 2: (UG only) Reliable Transport with Sel… https://myuni.adelaide.edu.au/courses/45382/ass… Prac�cal 2: (UG only) Reliable Transport with Selec�ve Re‐ peat Programming Prac�cal Due May 3 by 17:00 Points 100 Adapted from Kurose & Ross – Computer Networking: a top-down approach featuring the Internet CBOK categories: Abstraction, Design, Data & Information, Networking, Programming Foreword This practical requires
4/15/2018 Quiz: Test3 – Canvas – CSU Assume that the Powershell Get-ADUser cmdlet returns references to zero or more user objects and that each object has at least the following attributes (possible example data is also shown for each of these attributes): SAMAccountName – BrownSa CN – BrownSa DistinguishedName – CN=BrownSa,CN=Users,DC=CIS620,DC=Net UserPrincipalName – BrownSa@CIS620.Net Name
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Lab 2: UDP Pinger Lab In this lab, you will learn the basics of socket programming for UDP in Python. You will learn how to send and receive datagram packets using UDP sockets and also, how to set a proper socket timeout. Throughout the lab, you will gain familiarity with a Ping application and its
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Practical 2: Reliable Transport with Selective Repeat Programming Practical • Due May 3 by 17:00 • Points 100 Adapted from Kurose & Ross – Computer Networking: a top-down approach featuring the Internet CBOK categories: Abstraction, Design, Data & Information, Networking, Programming Foreword This practical requires thought and planning. You need to start early to allow