UNIT I: Introduction

• What is an operating system: basic concepts and terminology
• Batch processing, spooling, multiprogramming, time-sharing, real-time systems
• Protection, multiprocessor systems
• Operating system as a resource manager
• Process management, memory management, device management, information management
• Other views of operating systems: historical, functional
• Job control language and supervisor service control

UNIT II: Advanced Processor Management Features

• Multi-threaded operating system architecture
• Micro-kernels operating system architecture
• Multiple operating system subsystems and environments
• Client-server architecture
• Protected mode software architecture
• Virtual machines: JAVA Virtual Machine and Virtual 8086 mode
• Hard and soft real-time operating systems
• Pre-emptive and non-pre-emptive multitasking and scheduling
• Inter-process communication: shared memory, semaphore, message queues, signals
• Session management
• Multiprocessor and distributed process synchronization
• Symmetric multiprocessing systems

UNIT III: Advanced Memory Management

• Virtual address space
• Description of user processes and kernel
• Virtual memory architecture of Pentium group processors
• Translation Lookaside Buffers (TLBs)
• Implementation of file mapping
• Shared memory through virtual memory
• Virtual swap space

UNIT IV: Advanced Device Management Features

• Device driver framework: classifying devices and drivers
• Invoking driver code
• Device switch table and driver entry points
• Dynamic loading and unloading of device drivers

UNIT V: Advanced File Management Features

• Virtual file systems and v-node architecture
• Distributed file systems
• Network file systems
• Remote procedure calls