Operating Systems Course for Beginners

Operating Systems Course for Beginners

by Kshitij Sharma

Formal & Physical Sciences Computing & Cybersecurity UComputing and Information TechnologyULOperating systems
🎙 Kshitij Sharma 👥 11.8M 📅 August 6, 2024 ⏱ 1440 min 👁 1.1M 📄 tutorial 🧭 2026-08-06
Available in: English (current) Français

Keywords

operating systemprocessschedulingsynchronizationdeadlock

Summary

This 25-hour course provides a thorough introduction to operating systems, covering fundamental and advanced concepts. The instructor, Kshitij Sharma, begins with an overview of computer architecture, including the Von Neumann model and the role of the OS as an interface and resource manager. The course then delves into process management, explaining process states, PCB, and context switching. CPU scheduling is covered in depth, with algorithms like FCFS, SJF, Round Robin, and Priority, along with numerical examples. Process synchronization is explained using semaphores, monitors, and classic problems like the Producer-Consumer and Dining Philosophers. Deadlock is analyzed with necessary conditions, prevention, avoidance (Banker’s algorithm), and detection. Memory management includes paging, segmentation, virtual memory, and page replacement algorithms. File management covers file systems, allocation methods, and disk scheduling. The course concludes with miscellaneous topics like system calls and protection. Throughout, the instructor emphasizes problem-solving and revision, providing numerous practice problems and notes. The course is well-suited for university students, GATE aspirants, and anyone seeking a solid foundation in OS.

166 words

Critical Evaluation

The course is exceptionally well-structured and comprehensive, offering a deep dive into operating systems that rivals university-level instruction. The instructor, Kshitij Sharma, demonstrates a strong command of the subject, explaining complex concepts with clarity and using real-life analogies to aid understanding. The content is based on authoritative textbooks (Stallings, Galvin, Tanenbaum), ensuring accuracy and depth. The inclusion of over 100 numerical problems, handpicked from these texts and GATE exams, provides excellent practice and reinforces theoretical knowledge. The teaching methodology—theory, numericals, and revision—is pedagogically sound, encouraging active learning. The course’s length (25 hours) is justified by the thorough coverage, and the pacing is appropriate, with each topic given sufficient time. The video quality is good, with clear slides and diagrams. The only minor critique is that the background fan noise, mentioned in comments, can be slightly distracting, but it does not detract significantly from the learning experience. Overall, this is an outstanding resource for anyone serious about learning operating systems, and it is offered for free, making it exceptionally valuable.

169 words

Title / Content Match

The title accurately reflects the content: a beginner-friendly yet comprehensive course on operating systems.

Quality & Reliability

9/10

The course is comprehensive, well-structured, and based on standard textbooks (Stallings, Galvin, Tanenbaum). It includes numerous solved numericals and practice problems, enhancing reliability. The instructor is knowledgeable and the content is presented clearly.

Chapters

Cited Sources

Concurring Sources

  • Operating System Concepts by Silberschatz, Galvin, and Gagne — One of the standard textbooks referenced in the course, providing foundational knowledge.
  • Modern Operating Systems by Andrew S. Tanenbaum — Another key textbook used for course creation, offering in-depth coverage of OS topics.
  • Operating Systems: Internals and Design Principles by William Stallings — A comprehensive textbook that aligns with the course content.

Contribution & Novelties

This course provides a comprehensive, self-contained learning path for operating systems, combining theory with extensive problem-solving. It stands out for its depth and accessibility, making it a valuable free resource. The instructor’s approach of integrating numericals from standard textbooks and GATE exams is particularly effective for exam preparation.

Pour aller plus loin :

108 words

Radar Profile

The radar profile shows high scores in quantity and quality of information, with a slightly lower but still solid technical level. This indicates a course that is both comprehensive and reliable, suitable for learners seeking a thorough understanding of operating systems.

Reliability 9/10

💬 Très positif. Sur les 30 commentaires analysés, la grande majorité exprime une gratitude et une admiration pour la qualité et la gratuité du cours, certains le qualifiant de 'meilleur cours d'OS sur YouTube' et notant son utilité pour les examens et entretiens.