Docker So, the thing is that before understanding docker, we need to understand some well-known concepts like virtualization and hypervisors. For that, let us look at the pictorial representation of three concepts and learn layer… Docker Introduction
System Calls Before getting into threads, we have to first understand what are system calls. Let us first understand, how memory looks in the computer system and where Operating System code is present in the… What are threads and system calls in a computer system?
Deadlock We have previously discussed semaphores and other solutions to the critical section problem or producer-consumer problem and during that, if we go deeper, there are such cases which can lead to a Deadlock. One… What is a Deadlock and its prevention techniques?
Summary of every problem and its solution we have previously discussed At first, we have a problem called producer-consumer problem and we will end up having a robust solution named as semaphores. Initially, There was a producer-consumer… Everything about the critical section and semaphores
Semaphore A Semaphore is nothing, but an integer variable (say “S”) that after initialization; it can only be accessed by two standard atomic operations: wait(S): Its main task is to decrease the value of the semaphore variable… What is a semaphore and what problems it helps to solve?
Process Synchronization The task of process synchronization is achieved in operating systems with the help “Shared Memory“. Question: What is Shared Memory? Answer: It is defined as the region in main memory (RAM) which is… What is Process Coordination or Process Synchronization?
Inter-Process Communication When there are situations when different processes running on a system wants to communicate with each other in order to pass some data or for other means then there needs to be some… What is Inter Process Communication or IPC in OS?
CPU Scheduling It is nothing, but picking up a process from the “Ready State” and then giving it to the CPU for its work completion. Question: Why picking up from the ready state? Answer: Because… CPU Scheduling or Process Scheduling and Scheduling Algorithms