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2.7 System Software, UTILITY PROGRAM - Coggle Diagram

- - - - multiuser operating system that organizes, coordinates how multiple users access and share resources
      - examples
        
        property server OS
        
        windows server
        
        mac OS server
        
        open source server OS
        
        Ubuntu
        
        Linux
    - - examples
        
        property of mobile OS
        
        Windows (mobile)
        
        iOS
        
        open source mobile OS
        
        Android
        
        Tizen
      - an operating system that resides on mobile devices such as s.phones
    - - desktops laptops and tablets
      - = stand alone operating system
      - ex
        
        property desktop OS
        
        MacOS
        
        Windows
        
        open source desktop OS
        
        ChromeOS
        
        Linux
  - - - cold boot from a complete powered off
      - warm boot : restarting while (sleep)
    - - sleep mode
      - hibernate
      - shutting down/ log off
- - - - Command-line user interface
        
        language represented by short keywords/ abbreviations to enter data
        
        disadvantage :-1::skin-tone-3: difficult to use
      - Graphical User Interface (GUI)
        
        interact with menus and icons
        
        disadvantage :+1::skin-tone-2: easier to use
- - - - OS allocates data/ Monitors (memory)/ OS release items