Operating System is an integrated collection of programs as interface between user and the computer. It provides an environment in which user may execute his program. The primary goal of an operating system is to make computer convenient to use. It controls execution of programs and handles interrupt, errors so that user can easily use the computer.
Functions Of Operating System :
1)Scheduling and loading of program in order to provide a continuous job processing sequence.
2)Resource management such as memory, input devices, output devices, secondary storage devices etc.
3)Handling errors when they appear and using correction methods where it is possible.
4)Protecting hardware, software and data from interrupt use.
5)Providing a complete record of what has happened during an operations.
6)File management.
7)Memory management.
