Function of operating System

• The operating system controls the way programs work with each other and interact with the computer hardware. It creates a file system that defines how your data is stored on a storage device.
• The performance of an operating system depends on the number of bits being transferred at a time. Older operating systems could transfer only 8 bits of data at a time and were called 8-bit operating systems. However, with the advent of GUI interfaces, 16-bit operating systems evolved.
• An operating system is a piece of software that manages files, manages memory, manages processes, handles input and output, and controls peripheral devices like disk drives and printers etc.

Here are the example of Function of Operating System:

• Process Management
• Device Management
• Security
• Networking
• Disk Management
• Memory Management
• GUI