I am Hammad Maqbool

What is Thread in Operating System?First of all you should know that a thread is also known as lightweight process.It is a sequence of instruction within a process. A thread itself behave like a processes in a process.It behave like a process within the process, but it don’t have a complete PCB it relays on the PCB of...

Inter-Process Communication | Shared Memory Model | Message Passing Model in Operating System•IPC – (Inter-Process Communication) is the capability which allow two process of the computer to communicate with each other. •Where will be those process? •Its not important for process to be in the same computer they can be...

Inter Process Communication - IPC in Operating System•IPC – (Inter-Process Communication) is the capability which allow two process of the computer to communicate with each other.•Where will be those process? •Its not important for process to be in the same computer they can be in same computer or in different computer...

Operating System Process TerminationOperating System Process Termination Exit(), Abort() | Zombie and Orphan process in Operating SystemIn the last lecture we discussed about the process creation and Child process in details. In this lecture we gona cover the following topics.1. What is process termination?2. How a child...

Process Creation and Child Process in Operating SystemOperating system is also responsible for creating the processes.In this lecture we have discussed about how a child process get created and what is the all life cycle of child process.So first of all it is important to know that a process may or may not create a child...

Context Switching in Operating systemContext Switching or Process Switching in OS is one of the simplest topic and concept but when we try to make it more simple some time we forget to mention the most important and intresting things which happens in the Context switching.This video of Operating system tutorials in hindi...

Process States in Operating SystemA process pass through lots of different stages in its life. To understand the working of Operating System it is important to understand the life cycle of process.This topic will clear you concept about the process life cyc...

Process Control Block(PCB) in Operating System It is one of the most important topic in Operating System lots of the topics or say the advance topics of Operating system depends heavily on the conecpt of PCB in OS.In the series of Operating System tutorials in hindi urdu we have just covered the topic of  PCB...

Scheduling AlgorithmTo understand this topic in a better way I must recommend you go through once from our last lecture which was about Process Scheduling in Operating System so you may better understand the concept. The processes wait into the different queues to get the process i.e. Job Queue, Ready Queue and Wait Queue.This...

Process Scheduling B efore directly jumping into the concepts and definitions of process scheduling I would like to make a base so you can understand the concepts the way one never forgets.Suppose you are living in the joint family system and you have only landline telephone in your home. No one have personal phone...

Concept of process, program counter, heap, stack and data section in OS (Operating System)Program in Operating system:  Set of instructions to perform specific task is called program. Program is a passive entity. It contains all the logics and data to perfrom any task.Process in Operating system: When a...

User Mode and Kernel Mode difference in OS | Operating SystemUser Mode: If you are runing an application program so operating system is serving you in the user mode and the bit is 0. Bit mode values always switch between 0 and 1 it is a kind of signal if the bit mode is 1 that means the Operating system is in user...

Multi-programming vs Multitasking Operating SystemSetting base to concept. . . In OS there are multiple processes waiting for getting CPU.They want to get CPU to get executed.These process are also known as jobs so don’t get confused if someone use word job instead of process.Because a process is going to perform job while...

What is Kernel in Operating System and What are types of KernelThis video is to clear the concept of kernel with daily life examples.To download the slides used in the lecture click the button be...

Concept of interrupts, interrupt Handler and Interrupt vector in OS | With ExamplesThe concept of Interrupts, Interrupt handler and interrupt vector is not difficult but our mind always understand better when things relate to something what is happening in our daily life. These concepts are about the things which happens...

What is Operating system?Its a bridge between the user and hardware of the system, It will manage the hardware resources utilizes them properly to facilitate you in your needs.It work as a bridge between you and computer hardware.If you are standing at one side of the bridge hardware of computer is at the other side of...