Summary for video

Watch  the above link video, It is important to note that in any given enterprise the operating system available for computing environment can be different.  Upon watching the video, please provide a summary of your understanding of the video.

1. What are the differences between a Windows operating system and a Linux operating system?
2. What inherent security controls are included with each operating system?
3. How are the two types of operating systems similar?
4. Between the two types of Operating Systems, which of the two do you feel is more secure?  Please provide a justification and support for your choice.