OS

      OS is the acronym used for Operating System.

  An Operating System, sometimes also referred to as middleware, is the primary software which enables a physical device to interact with other software applications. With functions such as resource management, visual display, wifi capabilities, just to name a few, OS’s themselves are massive stacks of applications that keep things running and working in an organized manner.

Examples of Operating Systems:
– MacOS & iOS 
– Microsoft Windows 
– Android 
– Linux