Topics / Hardware and Software / Operating System

Operating System

iOS GUI Operating System

An operating system (OS) is the computer program (software) responsible for the operation and smooth running of a computer.

Most general purpose computers (including smartphones and tablets) will have an operating system to manage the running of other programs and control the system’s inputs and outputs.

Operating systems usually provide a graphical user interface (GUI) to help users to interact with the computer, however successful operating systems can also function from a command line interface (CLI).

Our User Interface Design page explains all about a variety of interfaces.

Examples of operating systems include:

  • Microsoft Windows
  • Linux
  • iOS
  • Mac OS
  • Andriod

Functions of an operating system

Operating systems have many functions:

  • Provides an interface for computer interaction
  • Control of inputs and outputs
  • Interrupt handling
  • Management of hardware and peripherals
  • Error handling
  • Management and loading of software
  • Management of user accounts
  • File utilities (copy, save, sort, delete)
  • Processor management for multitasking
  • Memory management
  • Security (access rights, firewalls etc)


Topics / Hardware and Software / Operating System