Operating Systems Final Part (4) : File Systems & Threads from Udemy

Welcome to the course Operating systems Part 4 : File Systems & Threads

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 File Systems and Threads - one of the advanced topics of Computer Science. But believe me I made it as simpler as possible in this course. Lot of examples has been discussed just to strenghten the understanding of concepts. Also the topics are covered in a pace where even an ordinary student can understand everything.

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 file systems and threads in Operating Systems and also feel the real beauty of computer science.

In this course ,every concept of Operating Systems is taught in an easy-to-understand manner such that anybody who has covered my Operating Systems Part 1 and Part 2 course will be able to understand.

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 become very familiar with the core concepts of operating systems
You will be able to challenge the interviewer on questions related to operating systems
You will view computer science in a different dimension
You will be able to answer all questions of exams like gate,pgee,isro (after completing all parts of os course

Understand how operating systems work
Understand file systems
Understand disk scheduling works
Understand how hard disks work

You will become very familiar with the core concepts of operating systems
You will be able to challenge the interviewer on questions related to operating systems
You will view computer science in a different dimension
You will be able to answer all questions of exams like gate,pgee,isro (after completing all parts of os course
Understand how operating systems work
Understand file systems
Understand disk scheduling works
Understand how hard disks work

Syllabus

Introduction

Important : What is a File System

Attributes of a file

Logical Block Number, Physical Block number, Important points about Hard disk

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Covers file systems and threads, which are fundamental concepts in operating systems and computer science curricula

Aims to prepare learners for exams like GATE, PGEE, and ISRO, which may be useful for students in India

Explores disk scheduling algorithms like FCFS, SSTF, SCAN, C-SCAN, LOOK, and C-LOOK, which are standard topics in operating systems courses

Intended for learners who have already completed the instructor's Operating Systems Part 1 and Part 2 courses, which may require additional time and effort

Discusses file allocation methods like contiguous allocation, linked list allocation, and FAT allocation, which are core concepts in file system design

Examines system calls like create(), open(), read(), write(), and fork(), which are essential for understanding how applications interact with the operating system

Reviews summary

File systems and threads concepts

According to learners, this course offers a good introduction to Operating Systems topics like file systems and threads. The instructor explains concepts clearly, often using helpful examples and discussing important points for exams and interviews. Many appreciate the step-by-step explanations and feel the course builds a solid foundation. While the pace is generally considered accessible for ordinary students, some mention the content could be more in-depth or use more advanced examples. A few note that the audio quality is inconsistent or that certain explanations could be improved for clarity.

Pace is suitable for different levels of learners.

"Topics are covered in a pace where even an ordinary student can understand."

"Course pace was good and easy to follow."

"Easy for beginners or those needing a review."

"Suitable pace for step-by-step learning."

Highlights points relevant for competitive exams and jobs.

"Very important points from the perspective of exams like GATE, ISRO, etc. were covered."

"He gives points very relevant to interviews and exams."

"Concepts helpful for competitive exams and interviews were covered."

"Points are highlighted that are asked in exams and interviews."

Instructor uses practical examples to illustrate points.

"Lot of examples are discussed just to strengthen the understanding of concepts."

"Examples explained were very good and helpful."

"Examples really help in understanding the topic better."

"The problems and examples were illustrative and clear."

Course provides a strong foundation in core topics.

"This course is good for understanding basics of file systems and threads."

"It gives very good insights into the concepts."

"Gives a good understanding of the basics of File Systems and Threads."

"Provides a good foundation for Operating System concepts."

Concepts are explained in an easy-to-understand way.

"He explains it in a very easy way, which is really helpful."

"The explanations of all the topics were delivered very clearly."

"All concepts were explained very clearly and easily."

"The way of explaining concepts was amazing, easy to understand."

Sound quality is inconsistent.

"Audio quality varies throughout the course."

"Sound was muffled or unclear at times."

"Some lectures had poor audio which was distracting."

Some topics lack advanced details.

"Could use more in-depth coverage on complex topics or optimization techniques."

"Felt that few topics could have been explained with more depth and examples."

"Wishing for more advanced explanations in certain areas."

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 Final Part (4) : File Systems & Threads with these activities:

Review Data Structures

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Reviewing data structures will help you understand the underlying principles of file systems and how data is organized on disk.

Browse courses on Linked Lists

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Review the concepts of linked lists, trees, and graphs.
Practice implementing basic data structures in your preferred language.
Solve problems related to data structure manipulation.

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

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Reading this book will provide a solid foundation in operating system concepts, particularly file systems and threads.

View Operating System Concepts on Amazon

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Obtain a copy of 'Operating System Concepts'.
Read the chapters on file systems and disk management.
Take notes on key concepts and algorithms.

Implement Disk Scheduling Algorithms

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Implementing disk scheduling algorithms will solidify your understanding of how they work and their performance characteristics.

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Choose a programming language.
Implement FCFS, SSTF, SCAN, C-SCAN, LOOK, and C-LOOK algorithms.
Test your implementations with different request sequences.
Compare the performance of each algorithm.

Four other activities

Expand to see all activities and additional details

Show all seven activities

Create a Presentation on File Allocation Methods

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Creating a presentation will force you to organize your thoughts and explain the concepts in a clear and concise manner.

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Research contiguous, linked list, FAT, and indexed allocation methods.
Create slides explaining each method with diagrams.
Prepare a script to present the material effectively.
Practice your presentation.

Build a Simple File System Simulator

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Building a file system simulator will provide hands-on experience with the challenges of file system design and implementation.

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Design the file system structure.
Implement file creation, deletion, and reading/writing operations.
Implement a disk allocation strategy.
Test your simulator thoroughly.

Explore 'Modern Operating Systems' by Andrew S. Tanenbaum

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Reading this book will give you a broader perspective on operating systems and their evolution.

View Modern Operating Systems, Global Edition on Amazon

Show steps

Obtain a copy of 'Modern Operating Systems'.
Read the sections on file systems and concurrency.
Compare the concepts presented in the book with those in the course.

Contribute to an Open Source Project Related to File Systems

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Contributing to an open-source project will give you real-world experience working with file systems and collaborating with other developers.

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Find an open-source project related to file systems or storage.
Understand the project's codebase and contribution guidelines.
Identify a bug or feature to work on.
Submit a pull request with your changes.

Career center

Learners who complete Operating Systems Final Part (4) : File Systems & Threads will develop knowledge and skills that may be useful to these careers:

Kernel Developer

A kernel developer specializes in modifying or creating the core of an operating system, known as the kernel. The kernel is the most fundamental part of an operating system responsible for managing hardware and system resources. Taking a course on file systems and threads is highly relevant for this role. The course emphasizes how a kernel manages file access, including allocation methods and system calls for file manipulation. It also delves into the core concepts of threads, process execution, and kernel mode operations. This course can help someone looking to work directly on the kernel of an operating system, which is a highly technical and important role.

See salaries and explore the career path for Kernel Developer

Operating Systems Engineer

An operating systems engineer is responsible for the development and maintenance of operating system software. The work involves understanding the intricacies of how an OS interacts with hardware and applications. This course is very aligned with the role because it covers crucial elements such as file systems and thread management. Mastering the concepts taught here helps build a foundation for working on core OS functionalities. This course can be a valuable asset to aspiring operating systems engineers, providing a detailed look into disk scheduling, file access methods, and the implementation of threads. The skills learned here enable individuals to tackle real-world challenges in operating system development.

See salaries and explore the career path for Operating Systems Engineer

Systems Programmer

A systems programmer works on the core components of a computer system, such as the operating system. This role involves designing, coding, and debugging low-level software that controls hardware. A strong grasp of file systems and threads, concepts covered in this course, is essential for a systems programmer. This course directly addresses key aspects of operating system functionality. By delving into topics such as file allocation methods, disk scheduling algorithms, and the differences between kernel and user modes, this course prepares one for the complexities of system-level programming. Understanding these concepts is fundamental to developing efficient and reliable system software.

See salaries and explore the career path for Systems Programmer

Research Scientist

A research scientist conducts research to advance knowledge and solve complex problems in a specific field. This course may be useful to a research scientist interested in operating systems, storage or file systems, and low level computer programming. The course covers core operating system concepts, such as file systems, disk scheduling, and threads to a great level of detail. A research scientist might build upon this knowledge to explore new techniques related to operating systems. The detailed understanding of these topics may help to conduct research related to low level programming and may be beneficial to a research scientist. To be a research scientist, it is typical to have a Ph.D. in a relevant area.

See salaries and explore the career path for Research Scientist

Storage Systems Engineer

A storage systems engineer focuses on the design, implementation, and management of data storage systems, which entails not only the physical storage medium but also the software that controls access and manages these resources. This course may provide a useful background, as it examines file systems, disk scheduling, and disk structures in detail. These concepts are essential for understanding how data is stored and retrieved. By learning the mechanisms behind disk access and file allocation, a potential storage systems engineer can build a necessary foundation for this work. Understanding the details of topics covered in the course allows one to address real-world storage system challenges.

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Embedded Systems Engineer

Embedded systems engineers design and develop software for specialized computer systems, often those with limited resources. These systems are found in devices like automobiles, medical equipment, and industrial machinery. This course may be useful because it develops foundational knowledge about how an operating system interacts with hardware and manages resources. Understanding file systems, memory management, and threads, all covered in the course, are important for developing efficient and reliable embedded system software. By learning these concepts, aspiring embedded systems engineers gain a deeper understanding of the constraints and challenges of working with embedded devices.

See salaries and explore the career path for Embedded Systems Engineer

Performance Engineer

A performance engineer analyzes and optimizes the performance of software systems, ensuring they run efficiently and meet user expectations. To do this, a performance engineer must understand how the underlying system works. This course may be useful because it discusses key aspects that affect system performance, such as disk scheduling algorithms and thread management. The course's coverage of file operations and how they interact with the hardware is useful for a performance engineer. This gives a potential performance engineer a better view of system bottlenecks, enabling them to identify and resolve performance issues more effectively.

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Computer Science Professor

A computer science professor instructs students in computer science principles and conducts research. This course, which delves into the detailed aspects of file systems and threads, may be useful for a professor because it deepens their understanding of operating systems. The concepts covered in the course, such as disk scheduling and file allocation methods, are important topics for computer science education. This course provides a deeper understanding of operating systems details, and may be useful for a professor who would like to teach or do research in the field. To be a professor, it is typical to have a Ph.D. in a relevant area.

See salaries and explore the career path for Computer Science Professor

Cloud Engineer

A cloud engineer is responsible for designing, implementing, and managing cloud-based infrastructure and services. Many cloud services rely on efficient storage and resource management, making this course a useful tool for cloud engineers. This course provides a basic understanding of file systems, disk scheduling, and thread management, which are relevant to cloud resource allocation. This knowledge of core operating system concepts can aid a cloud engineer in making informed decisions about how to set up and manage cloud resources. Therefore, this course may help those looking to work on cloud architecture, implementation, or management.

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Database Developer

A database developer designs, implements, and manages databases, which includes writing efficient and reliable code for data storage and retrieval. While this job does not directly relate to core operating systems, a database has much in common with how a file system works. This course may provide useful background knowledge that helps one to think about how data is stored and retrieved by a database. The course's coverage of file allocation methods, disk structures, and file access with system calls can help a database developer understand the underlying mechanics of data management. This course may help someone to think about the lower level aspects of data storage, retrieval, and management.

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Application Software Developer

An application software developer designs and builds software applications that users interact with directly. While not directly working with the very low level operating system, this course helps aspiring application software developers understand what happens behind the scenes when performing file operations. The course deals with system calls for file creation, access, and manipulation, and how these calls interact with the underlying file system. Understanding concepts like threads also helps because it explains how applications can execute multiple tasks concurrently. This knowledge facilitates the creation of software that is more efficient and performant. This course will give you a deep understanding of underlying operating system principles.

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Technical Support Engineer

A technical support engineer provides assistance to users encountering technical issues with software or hardware. This course may provide a benefit by giving a deeper understanding of the inner workings of operating system file systems and processes. The ability to understand how OS interacts with a computer's hardware and software can help a technical support engineer diagnose and resolve problems. This course's detailed look into file system access, disk structures, and how threads execute, can help someone working in tech support. It may help troubleshoot file access issues or problems related to system performance.

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Data Scientist

A data scientist analyzes data to extract insights and inform decision-making. While data science primarily focuses on statistical analysis and machine learning, understanding how data is stored and accessed is beneficial. This course may be useful for a data scientist because it covers file systems and methods of accessing files. A basic understanding of how data is stored and retrieved can improve the efficiency of data handling. Knowledge of fundamental concepts like disk scheduling can also help with more effective data manipulation. Data scientists should always be looking for ways to improve efficiency and the course covers these topics in detail.

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Cybersecurity Analyst

A cybersecurity analyst works to protect computer systems and networks from cyber threats. While the course is primarily focused on operating systems themselves, some aspects may be useful. For example, knowledge of file systems and how they work can be beneficial in understanding how malware may operate. Understanding the topics in this course may be useful to a cybersecurity analyst in identifying how vulnerabilities may be exploited, though they should have other focus areas of study. The concepts in the course may provide some insight into the low level mechanisms cybersecurity analysts need to be familiar with.

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Network Engineer

A network engineer designs, implements, and manages computer networks. This includes how devices communicate and transfer data. While this course primarily focuses on operating system concepts, some of the concepts are relevant to network management. The course's coverage of file systems and how files are accessed is a good starting point for learning to think about how data is moved over network connections. The course may help a network engineer to have a base understanding of the underlying mechanisms of data access. It may provide context and a starting point for those looking to work in network design and management, though other areas of study are more directly applicable.

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Operating Systems Final Part (4)

File Systems & Threads

What's inside

Learning objectives

Syllabus

Traffic lights

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Reviews summary

File systems and threads concepts

Activities

Career center

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