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SYSTEM SOFTWARE - Coggle Diagram

- - - - A complete operting system that works on desktop, laptops, and some tablets
        
        propriety software
        
        windows , macOS
        
        open source software
        
        chrome OS , linux
    - - propriety software
        
        windows server , macOS server
      - open source software
        
        Ubuntu, linux
    - - an operating system that reside on mobile device such as smartphone
        
        propriety software
        
        iOS , windows , (mobile edition)
        
        open source software
        
        android, tizen
- - - - utility program that detects and delete software
        
        spyware protection
        
        spyhunter
    - - utility programs that reorganizes files and unused space on a hard disks so that OS data more quickly and programs run faster
        
        WinCotig
        
        MyDefrag
    - - utility programs that protects a computer against malware such as virus, worm , and trojan horse
        
        kaspersky antivirus
        
        avira antivirus
    - - allows user to copy selected files or the entire hard disk to another storage medium
        
        IDrive
        
        ICloud
    - - utility programs that shrink the size of files
        
        WinZip
        
        WinRAR
    - - restore data from back up to the oroginal storage locations or to a replacement devices
        
        IDrive
        
        ICloud
    - - utility programs that searches for and removes unnecessary files
        
        windows disk clean up
        
        avast clean up premium
    - - utility program that detects and delete adware
        
        adwCleaner
        
        bitdefender
    - - utility that performs funtion related to file management
        
        windows explorer
        
        finder