1. An operating system (OS) is an interface between hardware and user which is responsible for the management and coordination of activities and the sharing of the resources of the computer that acts as a host for computing applications run on the machine
1.1. New node
2. Cell Phones Opperating System
2.1. Brew Ui
2.2. Major Opperating System for Cellphones
2.2.1. Blackberry
2.2.2. Webos
2.2.3. Windows Mobile
2.2.4. Android
2.2.5. Symbian
3. Linux: Open Source, Free
3.1. Pros:
3.1.1. No Freezing
3.1.2. Runs On any Hardware
3.1.3. Lets You Test Before Installing
3.1.4. Free!!
3.1.5. Full Access to Open Source Library of software
3.1.6. Management is Easier
3.1.7. Many Ugrades
3.2. Cons:
3.2.1. Not use to it
3.2.2. Doesn't Have Much Hardware
3.2.3. Requires You to know How to work it
3.2.4. Not Many Programs for Linux
4. What % use Windows
4.1. Focus on Window 7
4.2. Pros:
4.2.1. More Secure than Others (Window 7)
4.2.2. Quick and Easy installation
4.2.3. Installation is autotimatic
4.2.4. Most programs are made for Windows
4.2.5. 80% or more use desktops that run with windows
4.3. Cons:
4.3.1. Instability
4.3.2. Support
4.3.3. Prone To Viruses
4.4. 90% uses Windows
5. Apple , OSX, Lepard
5.1. Pros:
5.1.1. Easy To use
5.1.2. Fast
5.1.3. More Programs and features than any operating system
5.1.4. No Spyware Problems
5.1.5. Less Support Issues
5.2. Cons:
5.2.1. Expensive
5.2.2. Go To Apple if have Problems
5.2.3. More Complex