Operating Systems from scratch

Welcome to the course Operating systems Part 2 : Memory Management Masterclass .

Mastering the concepts of Operating Systems is very important to get started with Computer Science because Operating System is the program which is responsible for the ease with which we are able to use computers today to solve our problems by writing application programs like Google Chrome. The concepts which we are going to study is going to give a very good understanding of Operating System like what are the allocation strategies used by Operating Systems , what are the memory management strategies used by Operating Systems , paging in operating systems, page replacement in operating systems, , how paging works in operating systems , how segmentation works in operating systems , how virtual memory works in operating systems , how multilevel paging works in operating systems , how CPU executes a process using memory manager.

Without using Operating Systems ,it is extremely difficult to communicate with the hardware devices of our computer. Every computer today has an Operating System installed in it. Through this course you will not only master Operating Systems but also get ready for venturing into advanced concepts of Computer science

In this course ,every concept of Operating Systems is taught in an easy-to-understand manner such that anybody who has basic knowledge of operating systems like scheduling, devices in out computer, how a process is created etc. can understand this course well.

Come and join me, I assure you that you will have the best learning experience of not just Operating Systems but also the core of Computer Science in a different dimension.

What's inside

Learning objectives

You will master memory management in operating systems
You will be very comfortable with advanced topics like paging
You will be able to have a good grasp over computer science
You will be able to understand other advanced topics of computer science like distributed systems

You will be able to understand other advanced topics of computer science like computer organization
You will be able to understand other advanced topics of computer science like database systems
Understand memory allocation strategies used by operating systems

You will master memory management in operating systems
You will be very comfortable with advanced topics like paging
You will be able to have a good grasp over computer science
You will be able to understand other advanced topics of computer science like distributed systems
You will be able to understand other advanced topics of computer science like computer organization
You will be able to understand other advanced topics of computer science like database systems
Understand memory allocation strategies used by operating systems

Syllabus

Introduction

About the course

Important Tips

Basics of Memory Management (Cover it only if you have not watched part 1)

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Explores memory management strategies, including paging, segmentation, and virtual memory, which are fundamental concepts in operating systems and computer architecture

Covers memory allocation algorithms, which are essential for optimizing software performance and preventing memory leaks in application development

Requires a basic understanding of operating systems concepts like scheduling and process creation, suggesting it builds upon existing knowledge

Includes a section on binary numbers, which may be redundant for learners with a computer science background, but helpful for those with less experience

Features numerous problems on paging, multilevel paging, and page table entries, offering hands-on practice for solidifying understanding

Builds towards advanced topics like distributed systems, computer organization, and database systems, indicating its relevance to further studies

Reviews summary

In-depth operating systems memory management

According to learners, this course offers a positive, in-depth exploration of operating system memory management. Students particularly appreciate the clear explanations of complex topics and the strong focus on problem-solving through examples. While the course provides comprehensive coverage of areas like paging, virtual memory, and TLB, some learners noted that a solid understanding of basic OS concepts or completion of Part 1 is beneficial. The content is primarily theoretical, focusing on algorithms and strategies rather than hands-on coding labs. Overall, it is seen as a valuable resource for mastering core OS memory concepts.

Focuses on concepts and problems, less coding.

"This course is very theoretical, focusing on concepts and problems rather than coding examples."

"Don't expect hands-on coding labs, it's more about the algorithms and theories of OS memory."

"Focused heavily on the 'how it works' abstractly, not on 'how to implement' practically."

Complex topics are explained clearly.

"The instructor explained complex topics like multilevel paging very clearly."

"I found the easy-to-understand approach helpful even with basic OS knowledge."

"Great explanations, broke down difficult ideas effectively and made them accessible."

Strong emphasis on understanding concepts via problems.

"The problems really helped solidify the concepts discussed in the lectures."

"Working through the examples was crucial for understanding the math behind paging mechanisms."

"The number of problems provided for practice in each section is excellent and necessary."

Offers a deep dive into OS memory management.

"The syllabus details were amazing, covering everything from partitioning to TLB and page replacement."

"I really mastered paging and virtual memory concepts thanks to the depth."

"Felt like a true deep dive into memory management with lots of ground covered."

May require solid basic OS understanding or Part 1.

"Make sure you have a solid grasp of basic OS concepts before starting Part 2, it helps a lot."

"While it covers some basics, I think taking Part 1 first is strongly recommended for context."

"Needed to refresh my OS fundamentals before diving into this detailed memory management course."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Operating Systems from scratch - Part 2 with these activities:

Review Basics of Memory Management

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Reinforce your understanding of fundamental memory management concepts, including address spaces, partitioning, and allocation, to prepare for the advanced topics covered in this course.

Browse courses on Memory Management

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Review notes and materials from previous courses on operating systems.
Work through practice problems on memory allocation algorithms.
Identify areas where your understanding is weak and focus your review on those topics.

Read 'Operating System Concepts' by Silberschatz, Galvin, and Gagne

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Supplement the course material with a comprehensive textbook that provides a deeper understanding of operating system concepts.

View Operating System Concepts on Amazon

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Obtain a copy of 'Operating System Concepts'.
Read the chapters related to memory management, paging, and virtual memory.
Take notes on key concepts and definitions.

Solve Paging and TLB Problems

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Sharpen your problem-solving skills by working through a variety of problems related to paging, TLB, and virtual memory.

Browse courses on Paging

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Find practice problems on paging and TLB from textbooks or online resources.
Work through the problems step-by-step, showing your work.
Check your answers and review the solutions to understand any mistakes.

Four other activities

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Show all seven activities

Create a Presentation on Page Replacement Algorithms

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Deepen your understanding of page replacement algorithms by creating a presentation that explains the different algorithms and their trade-offs.

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Research different page replacement algorithms, such as LRU, FIFO, and Optimal.
Create slides that explain each algorithm and its advantages and disadvantages.
Include examples to illustrate how each algorithm works.
Practice your presentation to ensure you can explain the concepts clearly.

Simulate a Virtual Memory System

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Solidify your understanding of virtual memory by building a simulator that implements paging and page replacement algorithms.

Browse courses on Virtual Memory

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Choose a programming language to use for the simulation.
Design the data structures to represent the virtual memory system, including page tables and frames.
Implement paging and page replacement algorithms.
Test your simulator with different workloads and evaluate its performance.

Read 'Modern Operating Systems' by Andrew S. Tanenbaum

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Expand your knowledge with a detailed textbook that covers advanced topics in operating system design and implementation.

View Modern Operating Systems, Global Edition on Amazon

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Obtain a copy of 'Modern Operating Systems'.
Read the chapters related to memory management and virtual memory.
Compare and contrast the concepts presented in the book with those covered in the course.

Contribute to an Open Source OS Project

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Gain practical experience by contributing to an open-source operating system project, focusing on memory management-related tasks.

Browse courses on Operating Systems

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Identify an open-source operating system project that interests you.
Explore the project's codebase and documentation to understand its memory management implementation.
Find a bug or feature related to memory management that you can contribute to.
Submit your code changes and participate in the code review process.

Career center

Learners who complete Operating Systems from scratch - Part 2 will develop knowledge and skills that may be useful to these careers:

Operating Systems Engineer

An Operating Systems Engineer requires a deep understanding of how operating systems manage memory, a core focus of this course. This role involves designing, developing, and maintaining the software that controls computer hardware and resources. The course's coverage of memory management strategies, including paging, virtual memory, and page replacement algorithms, are directly applicable. This course helps build the foundation for engineers who work on the very systems that underpin all software applications. Someone interested in the role of Operating Systems Engineer will find this course highly relevant given its focus on memory management as a specific component of operating systems.

See salaries and explore the career path for Operating Systems Engineer

Systems Programmer

A Systems Programmer works at a low level, often interacting directly with the operating system and hardware. This course's detailed exploration of memory management, including topics like paging and address space, is invaluable for the role. Systems programmers are responsible for creating and maintaining core system components. By studying the material in this course, one will better understand how to optimize memory usage and enhance system performance. This course may provide a strong foundation to build upon for those entering the field of Systems Programming. This course is highly valuable because of how comprehensive it is on memory management, a key component of systems programming.

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Kernel Developer

Kernel Developers create and maintain the core of an operating system, making this course exceptionally relevant. This course provides the critical understanding of memory management which is crucial for kernel development. By learning about virtual memory and multilevel paging, you are getting a glimpse of the tools one uses day-to-day in this role. This course may be incredibly useful to anyone who wishes to be a Kernel developer because the course closely mirrors the knowledge required to work in such a role. A Kernel Developer will find practical use in all of the concepts of memory management discussed in this course.

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Embedded Systems Engineer

An Embedded Systems Engineer develops software for dedicated systems, which often have strict memory constraints. Knowledge of operating system memory management, which this course focuses on, is essential for optimizing resource usage in embedded environments. This role involves working closely with hardware. Concepts such as memory allocation algorithms and paging, covered in detail by this course, can be applied to optimizing performance and reliability. Individuals aiming to become Embedded Systems Engineers will find this course helpful because of how detailed it is on memory management.

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Computer Science Researcher

A Computer Science Researcher explores advanced topics in computer science often with the aim of innovation. This course in operating systems discusses concepts such as memory allocation, paging, virtual memory, and page replacement algorithms which can provide a strong foundation to research in systems. The course will equip a Computer Science Researcher with a more detailed knowledge of memory management and its associated topics. This course will provide a thorough explanation of low level computer science concepts which may be useful to Computer Science Researchers. This course can provide a strong foundation for research into systems.

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Software Architect

A Software Architect designs the high-level structure of software systems. While not directly programming an operating system, a Software Architect needs a profound understanding of how it functions, particularly memory management. This course's thorough explanation of paging, memory allocation, and virtual memory can equip a Software Architect with the knowledge to make informed decisions about system design and resource utilization. Software Architects will find this course helpful as it helps to build a better foundational understanding of how operating systems function. A Software Architect will find it particularly useful to understand the low-level implementation of concepts such as memory allocation.

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Performance Engineer

Performance Engineers focus on optimizing software for speed and efficiency, so this course's deep dive into operating system memory is crucial. The course provides a good understanding of memory allocation and virtual memory, which are key components of performance tuning. This role may require a deep understanding of how to leverage these concepts for more efficient and reliable software. Concepts such as page hit and page fault, as well as the translation lookaside buffer will be instrumental to a Performance Engineer. A Performance Engineer will find this course helpful for building a more fundamental understanding of the systems they are trying to optimize.

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Computer Science Professor

A Computer Science Professor teaches computer science concepts to students. The concepts taught in this course, such as memory management, paging, and virtual memory, are crucial aspects of computer science education. A professor may find the way the course teaches these core concepts useful when creating their own lectures. This course may be useful to an aspiring Computer Science Professor as a good review of operating systems concepts. This course is useful to a professor as a refresher of the core principles of computer science.

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Database Administrator

A Database Administrator is responsible for the performance, integrity, and security of databases. Understanding how an operating system manages memory can be vital to optimizing database performance. This course on memory management which covers various allocation techniques and paging implementation, may be useful to a Database Administrator. While not the main focus of the DBA role, any improvement of efficiency can be useful when working with large databases. Database administrators will find this course useful, as the better you understand memory management, the better you can tune performance. This course may provide valuable insights into the inner workings of memory management.

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Cloud Computing Engineer

Cloud Computing Engineers build and maintain the infrastructure for cloud services. While they may not often work directly with an operating system's inner workings, an understanding of memory management is helpful. This course on memory management may be helpful to those working with virtualized operating systems and their memory, especially when troubleshooting performance bottlenecks or allocating resources efficiently. Cloud Computing Engineers will find this course useful for a more holistic understanding of how the systems they manage are implemented. This course provides fundamental knowledge to make better decisions about resource allocation.

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Software Developer

Software Developers write code for a wide array of applications. While many software developers function at a higher level of abstraction than the operating system, a better understanding of memory management will help them write better code. This course goes into detail about virtual memory and paging. This may help a software developer in areas such as optimizing performance and memory usage. This course may be helpful to a Software Developer as a way of better understanding a key component of their program's execution.

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Technical Support Specialist

Technical Support Specialists assist end users with the diagnosis and resolution of technical issues. Understanding basic operating system concepts such as memory management can help a support specialist better troubleshoot issues. While they may not be directly modifying operating system code, a basic understanding of the concepts of this course, such as paging and memory allocation, will make them better equipped to assist users. This course may provide helpful information to a Technical Support Specialist, as it gives an overview of low-level concepts. This course may be a useful guide for technical support specialists.

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Data Scientist

A Data Scientist analyzes and interprets complex data sets. While this role is not directly related to operating systems, an understanding of operating system memory management may be beneficial when optimizing performance of data processing pipelines. With a better understanding of how memory is managed, a Data Scientist will be better equipped to handle large datasets. This course's concepts of memory allocation and paging may be beneficial in understanding performance bottlenecks. A Data Scientist may find this course useful, but it is important to note that it is not core to their function.

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Computer Hardware Engineer

A Computer Hardware Engineer designs and develops the physical components of computer systems. Understanding how an operating system manages memory can be useful in the design of hardware components. This course's discussion on topics such as paging and virtual memory may give useful insight into hardware design. While this course is primarily focused on software, not hardware, a Computer Hardware Engineer might find parts of this course informative. A Computer Hardware Engineer may find this course useful, but it is not a core component of their job.

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Network Engineer

A Network Engineer is responsible for designing and maintaining computer networks. While this is not directly related to operating systems, an understanding of how memory management works may help when troubleshooting network devices. This course's coverage of paging, virtual memory, and memory allocation may help improve the understanding of resources for network devices. This course may not be core to the functions of a Network Engineer, but may be beneficial in some situations. Network Engineers may find this course useful for a better system-wide understanding.

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Operating Systems from scratch - Part 2

What's inside

Learning objectives

Syllabus

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Reviews summary

In-depth operating systems memory management

Activities

Career center

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