Operating System

Operating System A computer system has many resources (hardware and software), which may be required to complete a task. Operating System The commonly required resources are input/output devices, memory, file storage space, CPU etc. The …

Evolution of Operating Systems The evolution of operating systems is directly dependent on the development of computer systems and how users use them. Here is a quick tour of computing systems through the past fifty …

What Are The Types Of Operating Systems? Following are some of the most widely used Types Of Operating Systems Simple Batch System Multiprogramming Batch System Multiprocessor System Distributed Operating System Realtime Operating System SIMPLE BATCH …

What is a Process In Operating System? Process In Operating System A program in the execution is called a Process. Process is not the same as program. A process is more than a program code. A …

What Is Process Scheduling In Operating System? Process Scheduling In Operating System  The prime aim of the process scheduling system is to keep the CPU busy all the time and to deliver minimum response time …

CPU Scheduling In Operating System? CPU Scheduling  CPU scheduling is a process which allows one process to use the CPU while the execution of another process is on hold(in waiting state) due to unavailability of …

Thread is an execution unit which consists of its own program counter, a stack, and a set of registers. Threads are also known as Lightweight processes. Threads are popular way to improve application through parallelism. …

Process Synchronization means sharing system resources by processes in a such a way that, Concurrent access to shared data is handled thereby minimizing the chance of inconsistent data. Maintaining data consistency demands mechanisms to ensure …

Classical Problem of Synchronization Problem of Synchronization Following are some of the classical problem faced while process synchronization in systems where cooperating processes are present. Bounded Buffer Problem This problem is generalised in terms of the Producer-Consumer …

What is a Deadlock? Deadlock is a set of blocked processes, Deadlock holding a resource and waiting to acquire a resource held by another process. How to avoid Deadlocks Deadlock can be avoided by avoiding at least one …

What is Memory Management In Operating System? Memory Management In Operating System Main Memory  refers to a physical memory that is the internal memory to the computer. The word main is used to distinguish it …

Virtual Memory In Operating System Virtual Memory is a space where large programs can store themselves in form of pages while their execution and only the required pages or portions of processes are loaded into …

What Is File System In Operating System? File System In Operating System A file can be “free formed“, indexed or structured collection of related bytes having meaning only to the one who created it. Or in …