Most of the Paper was from handouts! Short 1: They asked to write a command to get the task from background to foreground. Short 2: System Calls Types ( New, Ready, waiting etc) Long 1: IPC Tools Long 2: Match the columns ( It was mostly related with Commands ( please revise the main commands such as: Foreground Background Kill PID Wait() etc Important and must revise: IPC tools, System Calls, Operating System & views , Structure Layers,