This easy-to-understand practical text introduces the basic mechanisms of operating systems. It helps to learn how an operating system manages the hardware and software resources-the memory, processes, I/O devices, and files-of the computer. Network topologies and different protocols (TCP/IP, IPX/SPX, NetBIOS, and NetBEUI) are elaborated to acquaint the reader with different methods of network management. The book, Introduction To Operating Systems, includes demonstrations and lab exercises with the features of several operating systems. It also includes detailed coverage on memory management, device management, process management and file management