Operating System Index Pages EasyExamNotes.com covered following topics in these notes. Introduction to Operating Systems Different Types of OS Characteristics and features of an OS Operating sytems services System Calls in OS File Systems How many page faults Process State Diagram Operating System Scheduler FIFO page replacement algorithm SRTF shortest remaining time first LRU page replacement algorithms Optimal page replacement algorithm Process concept Directory Structure OS Evolution of os Functions of os Memory management Concept of Threads Contiguous disk space allocation method Multiple Processor Scheduling A list of Video lectures Click here