This course provides an in-depth study of advanced operating systems and networking concepts. It focuses on understanding modern operating systems' intricacies and the technologies underpinning complex networking infrastructures. The course delves into theoretical foundations and practical applications, preparing students to design, deploy, and manage robust operating systems and networks. The rationale behind this course is to equip students with the knowledge and skills required to address the challenges posed by contemporary computing environments. By the end of the course, students will be capable of evaluating, optimizing, and troubleshooting complex systems and networks. The output of this course is a heightened ability to implement and maintain scalable, secure, and efficient systems in enterprise settings. The course is taught through lectures, hands-on exercises, and practical projects.