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Operating System(Team 2) - Coggle Diagram

- - - - Linux
      - Ubuntu
      - Debian
    - - Need not purchase product license
      - Able to modify source codes
      - Not vendor supported
  - - - Need to purchase license
      - Not able to modify source codes
      - Vendor supported
    - - Windows
      - macOS
      - Atari
- - - - translate device specialized commands into ones that can be understood by the hardware or OS
- - - - Programs first initialization
        
        OS Memory Manager will allocate
        memory block to program
    - - Program closed
        
        OS Memory Manager preserves
        the slot or leaves it empty
  - - - Hardware does specified
        function for software
        
        allows software to continue
- - - - USB mass storage device containing malware, once connected to the computer system, will infect the computer system directly.
  - - - attacker access the computer storage using a high speed extension port which allows DMA connection
        
        Attacker will be able to bypass OS security and install exploits into the computer system
    - - Device drivers that has vulnerabilities and DMA allows attacker direct access to the kernel to overwrite system memory and exploit the system.