Operating Systems

1. Definition:

2. What % use Windows

2.1. Pros:

2.2. Cons:

3. Cell phone Operating Systems

3.1. Which one do you have

4. Apple, OSX, Leopard

4.1. Pros:

4.2. Cons:

5. Linux: Open source, Free

5.1. Pros:

5.2. Cons:

6. Focus on Windows 7