CSCI 4320 (Principles of Operating Systems):
Lecture Summaries

• August 24: Administrivia; "what is an operating system?"
• August 29: A short history of operating systems.
• August 31: Design goals for a "paper operating system"; processes, concurrency, and communication; semaphores.
• September 5: Processes, concurrency, and communication; semaphores (review and examples).
• September 7: "Does it work?" for concurrent algorithms; concurrent algorithms using semaphores.
• September 12: Concurrent algorithms using semaphores; overview of key hardware facilities required to support the "paper operating system" sketched earlier.
• September 14: Key hardware facilities, continued; design of innermost layer of "paper operating system" (first-level interrupt handler, dispatcher, semaphores).
• September 19: Design of innermost layer of "paper operating system", continued.
• September 21: Design of innermost layer of "paper operating system", continued; concurrent algorithms using shared variables.
• September 26: Concurrent algorithms using shared variables, continued.
• September 28: Review for exam #1; homework #1 solutions.
• October 3: Homework #1 solutions, continued.
• October 5: Exam #1.
• October 10: No class.
• October 12: Monitors; review of last problem from exam #1.
• October 17: Memory management.
• October 19: Memory management, continued.
• October 24: Memory management, continued.
• October 26: No class.
• October 31: Memory management, continued.
• November 2: Process management and scheduling.
• November 7: CPU scheduling.
• November 9: CPU scheduling, continued.
• November 14: Homework, exam review.
• November 16: Exam #2.
• November 21: No class.
• November 28: File systems.
• November 30: File systems and their implementation.
• December 5: I/O subsystems.