Operation Systems (Layer 1)

Process Management
    Processes
    Threads
    Process synchronization
    CPU scheduling
    Deadlocks

Memory Management
     Main Memory
     Virtual Memory

Storage Management
     Mass-Storage Structure
     File-system Interface
     File-system Implementation
     I/O Systems

Protection and Security
     Protection
     Security
Advanced Topics
     Virtual Machines
     Distributed Systems
Case studies
      Linux
      Windows