The Four Major Functions of an Operating System free essay sample

The four major functions of an operating system are: Managing programs Managing Memory Handling Input and output user Interface Managing programs is one of the functions that are most dramatic effect to the operating systems overall quality, There are many different systems that are used for managing programs. You have single tasking, In which you can run only one program application at a time. Multi-tasking in which in the normal operating system allows a single user to work with more than one program at a time. Managing memoryThe second function of an operating system Is managing memory. The operating system gives each Individual program a certain amount of memory this Is called a partition. If the memory becomes full then the operating system starts storing copies of the pages into files in the hard disk. This is called a swap file. Input and Output Input and output devices generate Interrupts, and sends signals that Inform the operating system that something has occurred. We will write a custom essay sample on The Four Major Functions of an Operating System or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Some examples of Input and output devices are monitors, modems, and sound cards.User Interface The quality of the user Interface Is what makes or breaks the system. This is the part of the operating system that Interacts with the user. Sometimes It Is also referred to as the shell. This is implying that the user interface is surrounding the operating system, which is referred to as the kernel. There are three different types of user interface. These are command-line, menu-driven, and graphical interface. 2. Create Linux? Lines commented that in order to get people to help you, you need to have a program hat is interesting, not boring.