Operating System by NPTEL
This lecture note covers the following topics: Introduction to Operating System, File Systems and Management, Process and Process Management, Memory Management, Input Output (IO) Management, Resource Sharing and Management, Interprocess communication, Real time Operating Systems and Microkernels, OS and Security, Unix Primer, Unix Kernel Architecture, Shell Scripts in UNIX, Source Code Control System in UNIX, X Windows in UNIX, System Administration in UNIX.
Author(s): NPTEL
NA Pages 
Lecture Notes On Operating System by Sandeep
This note covers the following topics, Functions of Operating System, Evolution of OS, Operating System Services, ComputerSystem Architecture, Process Control Block, CPU Scheduling, Thread, Interprocess Communication, MessagePassing System, Process Synchronization, Petersons solution, Synchronization Hardware, Semaphores, The ReadersWriters Problem.
Author(s): A.Sandeep
92 Pages
Operating Systems Lecture Notes by Stanford University
This lecture note explains important systems concepts in general. Topics covered includes, Threads and Processes, Concurrency and Synchronization, Scheduling, Virtual Memory, I O, Disks, File systems, Network file systems, Protection and Security, Virtual machines, Cutting edge topics.
Author(s): Stanford University
NA Pages
