Operating Systems

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• Select section Welcome to Operating Systems

  Welcome to Operating Systems

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    Course Teacher:Most. Hasna Hena Designation:Assistant Professor Office address:Room no 405, Level 4, CSE Building, DIU(MC) Email:hena.cse@diu.edu.bd Mobile:01719472885 Appoinment in Google Calendar: Click Here Text Book: 1. Text Book: Operating System Concepts, 9th edition by Silberschatz, Galvin, Gagne 2. Reference Book: Modern Operating Systems Course Outline  Download course outline Daily Useful Links Attendance: Click Here Telegram: Click Here Google Classroom: Section O-3: sylvp3o Section O-1(Eve) : fjkvq76 Grading Scheme                    Attendance         :7%                      Class Test          :15%                  Presentation        :8%                    Assignment        :5% Mid Term Examination       :25%          Final Examination      :40%

    Course Code: CSE 323 Course Description Operating systems are central to computing activities. An operating system is a program that acts as an intermediary between a user of a computer and the computer hardware. Two primary aims of an operating system are to manage resources (e.g. CPU time, memory) and to control users and software. Operating system design goals are often contradictory and vary depending of user, software, and hardware criteria. This course describes the fundamental concept behind operating systems, and examines the ways that design goals can be achieved. Course Learning Outcome CLO1 Able to explain and analyze the functions, facilities, structure, environment and security of operating systems. CLO2 Able to investigate operating system administrative functions and can build shell program for process and file system management with system calls. CLO3 Able to analyze the performance and can apply different algorithms used in major components of operating systems, such as scheduler, memory manager, concurrency control manager and mass-storage manager, I/O manager. CLO4 Able to select, implement and justify recommending an operating system for a specified application and system configuration. Course Objective To learn the fundamentals of Operating Systems. To learn the mechanisms of OS to handle processes and threads and their communication. To learn the mechanisms involved in memory management in contemporary OS. To gain knowledge on distributed operating system concepts that includes architecture, mutual exclusion algorithms, deadlock detection algorithms and agreement protocols. To know the components and management aspects of concurrency management. To learn programmatically to implement simple OS mechanisms.

    Welcome my students to the course of Operating System. We teacher, can open the door, but you must enter it yourself. Welcome to Operating systems     Prefect Information Name:Muhammad Rabius Sunny Dept:Computer Science and Engineering Email:Muhammad15-10932@diu.edu.bd Mobile:01171313713 Name:Tariqul Islam Dept:Computer Science and Engineering Email:tariqul15-10765@diu.edu.bd Mobile:01862274335

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    Attendance: Attend Class Test: Self Test, Self Test 2, CT1, CT2, CT3      Assignment: ASN1, ASN2, ASN3       Presentation        Mid Exam       Final Exam
    Week2Go:   WK1    WK2    WK3    WK4    WK5    WK6   WK7    WK8    WK9    WK10    WK11    WK12    WK13    WK14

    
    
  • Select activity Announcements

    

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• Select section Week-1: Introduction

  Week-1: Introduction

  Topic of Discussion

  • Introduction with the students
  • Introduction to Operating systems
  • Review the basic organization of computer systems.
  • Operating systems Structure and functions
  • Computing Environments

  Expected Learning Outcome                            

  • Learn about the major components and functions of operating systems
  • Learn about many types of computing environments
  • Explore several open-source operating systems

  
  

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  • Select activity Introduction to Operating Systems Introductio...

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    Introduction to Operating Systems 

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  • Select activity Self Test 1

    

    Self Test 1 Quiz

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  • Select activity Open Discussion

    

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• Select section Week 2: Operating-System Structures

  Week 2: Operating-System Structures

  Topic of Discussion

  • Operating System Services
  • System Calls
  • Operating System Design and Implementation
  • Operating System Structure

   Expected Outcome

  • Learn about the services an operating system provides to users, processes, and other systems
  • Differentiate between user level and system level functions of OS
  • Explain the various ways of structuring an operating system

  
  

  • Select activity Operating-System Structures

    

    Operating-System Structures File

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  • Select activity Video LectureOS Structure Pt-1 OS_structure_p...

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    OS Structure Pt-1 

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    Video Lecture

    Os_Structure_pt-2 

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• Select section Week 3: Processes

  Week 3: Processes

  Topic of Discussion

  • Review class
  • Class Test-1
  • Process Concept
  • Process Scheduling
  • Operations on Processes

  Expected Outcome

  • Understand processes, various features of processes.
  • Understanding process scheduling, context switching, process creation and termination.

  
  

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  • Select activity Video LectureProcess Part 1 Process_Pt-1.mp4

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    Process Part 1 

    
    
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• Select section Week 4: CPU Scheduling

  Week 4: CPU Scheduling

  Topic of Discussion

  • Scheduling Criteria
  • Scheduling algorithm (FCFS and SJF)
  • Advantages, Disadvantages and application of scheduling algorithm
  • Exercise

  Expected Outcome

  • Explain different process scheduling algorithms and their pros and cons.
  • Evaluate the performance of various scheduling algorithms

  
  

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    CPU Scheduling File

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  • Select activity SJF Algorithm

    

    SJF Algorithm Interactive Content

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  • Select activity SJF (Preemptive) Scheduling Algorithm

    

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  • Select activity Scheduling Algorithms

    

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  • Select activity Open Discussion

    

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• Select section Week 5: CPU Scheduling

  Week 5: CPU Scheduling

  Topic of Discussion

  • Scheduling algorithm (Priority and Round Robin)
  • Advantages, Disadvantages and application of scheduling algorithm
  • Exercise
  • Class Test-2

  Expected Outcome

  • Explain different process scheduling algorithms and their pros and cons.
  • Evaluate the performance of various scheduling algorithms

  
  

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    CPU Scheduling File
  • Select activity Priority Scheduling Algorithm Pt-1 Priority_1...

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    Priority Scheduling Algorithm Pt-1 

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  • Select activity Recorded Lecture (O3)

    

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  • Select activity Open Discussion

    

    Open Discussion Forum
• Select section Week 6: Process Synchronization

  Week 6: Process Synchronization

  Topic of Discussion

  • Review on previous Topic
  • Inter Process Communication, Threading
  • Process coordination, synchronization
  • Critical Section problem, semaphores

  Expected Outcome

  • Explore interprocess communication using shared memory and message passing
  • Introduce the critical-section problem, whose solutions can be used to ensure the consistency of shared data
  • Examine several classical process-synchronization problems

  • Select activity Process Synchronization

    

    Process Synchronization File
  • Select activity Process Synchoronization_1

    

    Process Synchoronization_1 File
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  • Select activity Round Robin Scheduling Algorithm

    

    Round Robin Scheduling Algorithm Interactive Content

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  • Select activity Assignment on Round Robin Algorithm (O3)

    

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  • Select activity Class Test 2(O3)

    

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  • Select activity Rcorded Class(O-3)

    

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  • Select activity Open Discussion

    

    Open Discussion Forum
• Select section Week 7: Mid Term

  Week 7: Mid Term

  During this pandemic time, in order to support the quality aspects of teaching and learning, online open book examinations for mid-exam  will be conducted by the department instead of traditional proctored exam.
  You will use Internet connection to log into the DIU Blended Learning Center (DIU BLC) on your respective course on the day of the examination as per the exam routine of the department. The examination will be configured to support the examination schedule and you will be allowed soon it opens the exam.
  You need to download (1) ExamPaper.pdf and (2) AnswerScriptTemplate.doc from the Mid-exam exam section of the week in DIUBLC class. You will type your answers in the answer script doc file and save as pdf with your ID e.g. CSE134-O1-111-15-2345-mid.pdf (Course Code-Section-Student ID)  and upload in the BLC within the given time frame.
  For more details please download the Open book exam guideline.
  

  • Select activity Open Book Exam Guideline

    

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  • Select activity Online Exam Answer Script Template 2020

    

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  • Select activity Mid Term Exam (O3)

    

    Mid Term Exam (O3) Assignment

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    Mid Term Exam (O1_Eve) Assignment

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• Select section Week 8: Deadlock

  Week 8: Deadlock

  Topic of Discussion

  • System Model
  • Deadlock Characterization
  • Methods for Handling Deadlocks
  • Deadlock Prevention
  • Deadlock Avoidance
  • Deadlock Avoidance Algorithm (Bankers Algorithm)
  • Exercise

  Expected Outcome

  • Identify deadlock situation by checking conditions
  • Select a deadlock handling method from a number of different methods for a specific scenario.
  • Identify safe state and apply Deadlock avoidance algorithm for sample data set.

  
  

  • Select activity Dead Lock

    

    Dead Lock File
  • Select activity Banker's Algorithm

    

    Banker's Algorithm File
  • Select activity Deadlock

    

    Deadlock Interactive Content

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  • Select activity Class Record (copy)

    

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  • Select activity Open Discussion

    

    Open Discussion Forum
• Select section Week 9: Deadlock & Presentation

  Week 9: Deadlock & Presentation

  Topic of Discussion

  • Deadlock Avoidance Algorithm (Bankers Algorithm)
  • Deadlock Detection
  • Recovery from Deadlock
  • Exercise
  • Presentation

  Expected Outcome

  • Select a deadlock handling method from a number of different methods for a specific scenario.
  • Identify safe state and apply Deadlock avoidance algorithm for sample data set.
  • To present a number of different methods for preventing or avoiding deadlocks in a computer system

  
  

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    Banker's Algorithm File

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  • Select activity Class Record O1_E

    

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  • Select activity Open Discussion

    

    Open Discussion Forum
• Select section Week 10: Mass-Storage Systems

  Week 10: Mass-Storage Systems

  Topic of Discussion

  • Disk Structure
  • Disk scheduling 
  • RAID structure
    
  • Review Class
    

  Expected Outcome:

  • Describe the physical structure of secondary storage devices and its effects on the uses of the devices
  • Explain the performance characteristics of mass-storage devices
  • Evaluate disk scheduling algorithms
  • Discuss operating-system services provided for mass storage, including RAID

  
  

  
  

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  • Select activity Disk Scheduling AlgorithmDisk Scheduling Algorithm...

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    Open Discussion Forum
• Select section Week 11: Memory Management and Presentation

  Week 11: Memory Management and Presentation

  Topic of Discussion

  • Memory management strategy
  • Swapping, paging, segmentation

  Expected Outcome

  • Identify various ways of organizing memory hardware
  • Explain memory-management techniques, including paging and segmentation

  
  

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    Memory Management File
  • Select activity Presentation (O3)

    

    Presentation (O3) Assignment

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    Presentation (O1_E) Assignment

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  • Select activity Memory Allocation Algorithm  https://ele...

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  • Select activity Open Discussion

    

    Open Discussion Forum
• Select section Week 12: Virtual Memory

  Week 12: Virtual Memory

  Topic of Discussion

  • Virtual memory management 
  • Demand paging
  • Page replacement and Page replacement Algorithm
    

  Expected Outcome

  • Understand benefits of a virtual memory system
  • Explain the concepts of demand paging
  • Explain the concepts of demand paging, page-replacement algorithms, and allocation of page frames
    

  
  

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    Virtual Memory File
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  • Select activity Class Record (O3)

    

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  • Select activity Open Discussion

    

    Open Discussion Forum
• Select section Week 13: Review Class

  Week 13: Review Class

  Topic of Discussion

           Review on the topics of Week 8, Week 9, Week 10, Week 11 and Week 12.
  

  
  

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    Class Test 4_O3(Extra) Assignment

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• Select section Week 14: Final Exam

  Week 14: Final Exam

  • Select activity Final Exam ( Sec O-3)

    

    Final Exam ( Sec O-3) Assignment

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    Final Exam ( Sec O-1 Eve) Assignment

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  • Select activity Open Book Exam Guide Line

    

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