Operating System Digital Notes
This note contains overall basic concepts in Operating system, Includes Virtual memory, semaphores, Files, Memory management,Evolution of Operating Systems etc
Author(s): Bighnaraj Naik Assistant Professor,Department of Master in Computer Application,VSSUT, Burla
86 Pages 
xv6 a simple Unix like teaching operating system
This book contains below topics, Operating system interfaces, Operating system organization, Page tables, Traps and system calls, Page faults, Interrupts and device drivers, Locks, Scheduling, Sleep and wakeup, File system.
Author(s): Russ Cox, Frans Kaashoek, and Robert Morris, MIT CSAIL
116 Pages
Lecture Notes on Operating Systems by Marvin Solomon
This page covers the following topics related to Operating Systems, Notes on Java, Processes and Synchronization, Memory Management, Disks, File Systems, Protection and Security.
Author(s): Marvin Solomon
NA Pages
