OPERATING SYSTEM

UNIT-1:

• INTRODUCTION
• TYPES OF SYSTEM
• SYSTEM STRUCTURE 
• COMPONENTS
• SYSTEM SERVICES
• SYSTEM STRUCTURES
• SYSTEM DESIGN AND IMPLEMENTATION
• VIRTUAL MACHINES
• JAVA VIRTUAL MACHINES 
• PROCESS CONCEPTS
• PROCESS SCHEDULING
• COOPERATING PROCESS
• INTERPROCESS COMMUNICATION 
• CPU SCHEDULERS,SCHEDULING CRITERIA 
• FIRST-COME, FIRST-SERVED SCHEDULING 
• SHORTEST JOB FIRST SCHEDULING
• THREADS

UNIT-2:

• CRITICAL SECTION PROBLEM
• SEMAPHORES
• CLASSIC PROBLEMS OF PROCESS SYNCHRONIZATION
• BOUNDED-BUFFER PRODUCER/CONSUMER PROBLEM
• READER-WRITERS PROBLEM
• PHILOSOPHERS-DINING PROBLEM

UNIT-3:

• MEMORY MANAGEMENT
• CONTIGUOUS ALLOCATION 
• PAGING-BASICS
• PAGING 
• HIERARCHICAL PAGE TABLE
• HASHED PAGE TABLE
• INVERTED PAGE TABLE
• PAGING AND SEGMENTATION

UNIT-4:

• THRASHING  
• FILE SYSTEM CONCEPTS:FILE ATTRIBUTES
• FILE OPERATIONS