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SYSTEM SOFWARE - Coggle Diagram

- - - - privately owned and limited to a specific vendor or computer model and need yearly license
    - - software which can be used, modified and improved by anyone and can be redistributed freely
- - - - a set of programs that coordinate all activities among computer or mobile device hardware
    - - desktop operating systems
      - server operating systems
      - mobile operating systems
    - - starting and shutting down computers
      - provide a user interface
      - manage programs
      - manage memory
      - monitor performance
      - control a network
      - providing a file , disk and system management tools
      - establish an internet connection
  - - - allow user to perform maintenance-type tasks
      - TYPES
        
        disk clean up
        
        compression tools
        
        file manager
        
        anti-virus program
        
        disk defragmenter
        
        restore utility
        
        spyware remover
        
        back-up utility