Introduction to Operating systems Lecture online notes
Introduction to Operating systems Lecture online notes
Introduction to Operating systems Lecture online notes
This online PDF lecture notes contains following topics: Definition
and Function of operating systems, Evolution of operating system,
Operating system structure-monolithic layered,virtual machine and
Client server, Different types of operating system-real time
systems, multi-user System, distributed system, Introduction to
basic terms and batch processing system: Jobs, Processes files,
command interpreter, Logical and Physical address protection,
paging, and segmentation, Virtual memory, Page replacement
algorithms, Catch memory, hierarchy of memory types, Associative
memory, Process states, virtual processor, Interrupt mechanism,
Scheduling algorithms Performance evaluation of scheduling
algorithm, Threads,File systems-Partitions and Directory structure,
Disk space allocation, Disk scheduling, I/O Hardware, I/O Drivers,
DMA controlled I/O and programmed I/O, I/O Supervisors, Introduction
and need for distributed OS, Architecture of Distributed OS, Models
of distributed system, Remote procedure Calls, Distributed shared
memory, Unix Operating System- Case Studies
Author(s): Dr. Babasaheb
Ambedkar Open University Ahmedabad
This
paper highlights the major operating system concepts. It also covers
essential functions, the history of OS, with particular services and
an underlying computer system architecture. Major topics include
Process Control Blocks, CPU Scheduling, Threads, further notes on
Inter-process Communication, and several synchronization mechanisms,
such as Peterson's solution, Synchronization Hardware, Semaphores.
Besides these, it addresses highly complex issues such as the
Readers-Writers Problem, including descriptions of both abstract and
concrete solutions used for concurrent resource management.
The notes go into great detail of how operating
systems have evolved and what kinds of operating systems exist today. The
content ranges from basic-level ideas such as system calls, OS structure, and
process management to important topics such as memory management, virtual
memory, page replacement algorithms, and the theory that describes how deadlocks
work, including detection, recovery, avoidance, and prevention. Both basic
concepts and more advanced practice issues are found in the discussion of
multiprocessor systems, I/O hardware and software principles, and file system
management, including implementation and optimization strategies. This document
proves to be very informative in terms of grasping the minute details of modern
operating systems.
Mrs.
Sk Abeeda's notes describe the basic concepts of the operating
system. The material includes processes, threads, and scheduling. It
gives a thorough view of such synchronization mechanisms and
deadlocks besides memory management. File and I/O subsystems and
protection mechanisms are also discussed, providing a comprehensive
view of how operating systems work and how they manage resources. In
short, it is a paper to allow one to gain a good grasp of the core
principles of operating systems and to put them into practice.
Marvin
Solomon's study notes outline the main topics of an operating system, which
include discussion on Java-related matters, processes, synchronization, and
memory management. Added to this is information about disk management, file
systems, and protection and security. This is a small brief report with
references in seeking knowledge for the essence of how an operating system
should be managed and work.
The notes by Hugh Murrell provide a starting point in UNIX and operating
system theory. Key topics include: UNIX file systems, networking, and process
synchronisation. Inter-process communication under UNIX; including deadlock
scenarios and concepts of virtual memory and paging are also covered. A good
resource to explain both UNIX-specific features, as well as general operating
system principles.
The Notes by Bighnaraj Naik
hence, provide a directed discussion of operating systems, beginning with their
history, and various types. The paper deals with critical services to an
operating system in connection with management of processes, the idea of process
synchronization, in-depth process management and scheduling, tools and
constructs used in processing concurrency, detection of deadlocks, and
prevention techniques. The paging technique and virtual memory management form
the base of dynamic resource allocation techniques. File systems have also been
discussed; they classified into logical and physical file systems with
differences in their allocation strategies, so it has provided a profound
insight into the theoretical and practical sides of the operating system.