CS401: Resources | Saylor Academy

Topic	Name	Description
Course Introduction	Course Syllabus

1.1: History of Operating Systems	What Is an Operating System?	Watch this video from 1:09:27 to the end. This video gives a nice overview of operating systems.
	History of Operating Systems	Read this article.

1.2: Operating System Structure	OS History, Services, and Structure	Watch this lecture.

1.2.1: Abstract Computer Component Overview	Computer System Overview	Read this article.

1.2.2: Functional Overview	What Is an Operating System?	Read this article that describes operating systems.

1.3: Different Operating Systems Overview	Different Operating Systems	Read this page and click on the links for more information on specific operating systems.

1.3.1: 32-Bit vs. 64-Bit OS	32-bit and 64-bit Explained	Read this article.
	32-bit and 64-bit Frequently Asked Questions	Read these questions and answers.

1.3.2: UNIX-based	The Unix Operating System: Mature, Standardized and State-of-the-Art	Read this white paper.

1.3.2.1: Linux (Ubuntu, Fedora, etc.)	What Is Linux?	Read this article.

1.3.2.2: Solaris	Solaris	Read this article for an overview of the operating systems Solaris 8, Solaris 9, Solaris 10, and OpenSolaris.

1.3.3: Windows	Microsoft Windows	Read this article for a good overview of the Windows operating system.

1.3.4: Mobile	iOS (Apple)	Read this article.
	Android	Read this article.
	Windows Phone	Read this article.

1.3.5: Real-Time	Introduction to Real-Time Systems	Read this article to give you a good overview of real-time systems.
	Introduction to Embedded and Real-Time Operating Systems	Read this article to give you an introduction to Embedded and Real-Time Operating Systems.
	Real-time Operating Systems and Microkernels	Read this article for a good overview of real-time operating systems.
	Embedded System Software	Read this article for a good synopsis of many of the commercial real-time operating systems.
	VxWorks	Read this article.
	QNX	Read this article.

2.1: Concurrency	Concurrency: Processes, Threads, and Address Spaces	Watch this video, which will be an introduction to Unit 2 and will touch on all topics outlined in this unit.
	Concurrency	Read this handout.

2.2: Processes	Processes	Watch this video.
	Processes and Process Management	Read these lecture notes.
	The Process Concept	Read these slides.

2.3: Threads	A Brief Introduction to Threads	Read this article.
	Threads and Concurrency	Read these slides.
	Threads	Watch this video.
	More on Threads	Read this page.

2.4: Context Switch	Context Switching	Read this article.
	Context Switches	Read this article.
	Processes and Threads	Read slides 4 through 10.
	Putting the P in Threads	Read this article.

3.1: Synchronization: Relevance and Problems	Synchronization	Watch this lecture.
	Introduction to Synchronization	Read chapter 1 on pages 1–6.

3.2: Race Conditions	Introduction to Race Conditions	Read these slides.

3.3: Semaphores	Mutual Exclusion, Semaphores, Monitors, and Condition Variables	Watch this lecture.
	Semaphores	Read chapter 2 on pages 7–9 and chapter 4 on pages 61–120.
	Java Semaphores	Read this page.
	Programming Paradigms	Watch this lecture.
	Monitors and Condition Variables	Read this document.

4.1: Scheduling General Objective	Thread Scheduling	Watch the first lecture from 54:30 to the end, and watch the second lecture until 31:00.
	CPU Scheduling	Read this document.

4.2: Goals	More on CPU Scheduling	Read these notes.

4.3: Types	Types of CPU Scheduling	Read the first seven slides.

4.4: Algorithms	Scheduling Algorithms	Read these slides.

Unit 4 Exercises and Assessment	CPU Scheduling Simulation Exercises	Complete both parts of the CPU scheduling simulations. You will need to have Java Installed on your computer. Follow all of the instructions provided. Your results should match the answers provided in the answer keys for Part 1 and Part 2.

5.1: Definition	Deadlock	Watch the first lecture starting at 52:40, and watch the second lecture until 43:15.
	Deadlock	Read these lecture notes.

5.2: Deadlock Prevention and Avoidance	Operating Systems	Read slides 10 through 16.
	Banker's Algorithm Problem Set	Read through the review of the Banker's Algorithm if you need to review the way that the algorithm works. Complete both exercises and check your answers against the answer key.

5.3: Deadlock Detection and Recovery	Deadlock	Read this document.
	Deadlock Simulation Lab	Complete this lab. All instructions are included for downloading and running the simulator. Compare the results of your experiments to the answer key.

6.1: Overview of Memory Management	Memory Management	Read these slides.

6.1.1: Memory Hierarchy	Overview of Memory Hierarchy	Read this page.

6.1.2: OS Interaction with Memory Levels	Paging	Read the first seven slides.

6.1.3: Virtual Memory	Virtual Memory	Read these notes.
	More on Virtual Memory	Watch this lecture.

6.2: Allocating Memory	Memory Management	Read these notes.
	Memory Management Simulation	Complete this assignment. You can check your answers against the answer key.

6.3: Memory Access	Segmentation	Read these notes.
	Intel Memory Management	Read this document.
	The GDT	Read this article.
	Paging and Memory Access	Read these notes.

7.1: Introduction to File Systems	File Systems and Disk Management	Read this document.
	File Systems	Watch this lecture.

7.2: File Allocation Methods	File Management	Read this page and be sure to complete the simulations for each type of file management.
	The File System	Read these slides.

7.3: Disk Management Algorithms	File Systems and Disk Management	Read these slides.
	Queueing Models	Watch the first lecture starting at 1:00:25, and watch the second lecture until 60:00.
	Disk Scheduling	Read slides 4 through 15.

Unit 7 Activities	Disk Scheduling Simulation Lab	Complete both parts of the lab. Compare your results to the second part with those contained in the answer key.
	File System Simulation Lab	Follow all directions and complete the laboratory. Save your results to a Word document as instructed and compare your results to the answer key.
	Disk Management Algorithms Exercises	Review the material on disk management algorithms. Complete all problems. For problems 1 and 3, it might be easiest to use a spreadsheet to track the movement of the disk head as well as to calculate the number of cylinders moved. Compare your results with the answer key.

8.1: Introduction to Security	Introduction to Security	Watch this video.
	Protection and Security	Read this document.
	More on Security	Read this document.

8.2: Malicious Software Overview	Malware: Viruses and Worms	Read these notes.
	Bots and Botnets	Read these notes.

8.3: Security Techniques	Protection	Read this page.
	Security Strategies	Read this page.
	Security Techniques	Watch these lectures.
	Intrusion Detection and Prevention Systems	Read this publication up to the end of Chapter 3.

9.1: Introduction	Introduction to Networks	Watch this lecture.
	Computer Networking	Read this introduction.
	More on Networking	Watch this lecture.

9.2: Protocol Architecture	Layering and the Link Layer	Watch this lecture.

9.3: The Reference Models	Computer Networking	Read this section.
	TCP/IP Networking	Read these slides.
	An Overview of TCP/IP Protocols and the Internet	Read this section.
	Animation of the OSI Model	Watch this animation.
	Introduction to the OSI Model	Watch this video.

9.4: Network Intrusion Detection	Intrusion Detection and Prevention Systems	Read chapters 4, 5, and 6.

Study Guide	CS401 Study Guide	This study guide will help you get ready for the final exam. It discusses the key topics in each unit, walks through the learning outcomes, and lists important vocabulary terms. It is not meant to replace the course materials!

Course Feedback Survey	Course Feedback Survey

Course Introduction

Course Syllabus

Unit 1: Introduction to Operating Systems

1.1: History of Operating Systems

What Is an Operating System?

History of Operating Systems

1.2: Operating System Structure

OS History, Services, and Structure

1.2.1: Abstract Computer Component Overview

Computer System Overview

1.2.2: Functional Overview

What Is an Operating System?

1.3: Different Operating Systems Overview

Different Operating Systems

1.3.1: 32-Bit vs. 64-Bit OS

32-bit and 64-bit Explained

32-bit and 64-bit Frequently Asked Questions

1.3.2: UNIX-based

The Unix Operating System: Mature, Standardized and State-of-the-Art

1.3.2.1: Linux (Ubuntu, Fedora, etc.)

What Is Linux?

1.3.2.2: Solaris

Solaris

1.3.3: Windows

Microsoft Windows

1.3.4: Mobile

iOS (Apple)

Android

Windows Phone

1.3.5: Real-Time

Introduction to Real-Time Systems

Introduction to Embedded and Real-Time Operating Systems

Real-time Operating Systems and Microkernels

Embedded System Software

VxWorks

QNX

Unit 2: Processes and Threads

2.1: Concurrency

Concurrency: Processes, Threads, and Address Spaces

Concurrency

2.2: Processes

Processes

Processes and Process Management

The Process Concept

2.3: Threads

A Brief Introduction to Threads

Threads and Concurrency

Threads

More on Threads

2.4: Context Switch

Context Switching

Context Switches

Processes and Threads

Putting the P in Threads

Unit 3: Synchronization

3.1: Synchronization: Relevance and Problems

Synchronization

Introduction to Synchronization

3.2: Race Conditions

Introduction to Race Conditions

3.3: Semaphores

Mutual Exclusion, Semaphores, Monitors, and Condition Variables

Semaphores

Java Semaphores

Programming Paradigms

Monitors and Condition Variables

Unit 4: CPU Scheduling

4.1: Scheduling General Objective

Thread Scheduling

CPU Scheduling

4.2: Goals

More on CPU Scheduling

4.3: Types

Types of CPU Scheduling

4.4: Algorithms

Scheduling Algorithms

Unit 4 Exercises and Assessment

CPU Scheduling Simulation Exercises

Unit 4 Assessment

Unit 5: Deadlock