Operating System

  Basic of Operating System concepts An operating System  (OS ) is system software  that manages computer hardware , software  resources, and provides common services  for computer programs .   An  Operating System   (OS) is an interface between a computer user and computer hardware. An   operating system   is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers. Manages the computer’s resources (hardware, abstract resources, software) It handles input/output to and from attached hardware devices, such as hard disks, printers and dial-up ports. It is also used to control programs to prevent errors and improper computer use. It is interrupt driven. Examples of Operating System are –  Windows (GUI based, PC) GNU/Linux (Personal, Workstations, ISP, File and print server, Three-tier client/...