Lecture Notes

P1L2 Introduction to OS

Introduction to OS

Operating System Elements

OS Design Principles and Protection Boundaries

Basic OS Services and System Calls

Operating Systems Organization and Popular OS

Summary:

• OS elements consist of abstractions, mechanisms and policies
• The applications and OS communicate through system calls

P2L1 Processes and Process Management

Introduction to Process and Memory

Process Execution State and Process Control Block

Process Lifecycle and Scheduling

Inter Process Communication

Summary:

• Process and process-related abstractions through address spaces and PCB
• Basic mechanisms for managing process resources like context switching, process creation, scheduling and IPC

P2L2 Threads and Concurrency

Threads vs Processes