1. Mac OS X
1.1. Pros:
1.1.1. Allows users to access each others desktop via ichat
1.1.2. Incredible resistant to spyware, viruses, and trojans
1.2. Cons:
1.2.1. The installations and operation of applications frequently fail and conflict with the OS
1.2.2. Older computers can not run this operating system
2. In computing, 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 a computer, that acts as a host for computing applications run on the machine
3. Chromium OS
3.1. Pros:
3.1.1. Encrypted storage
3.1.2. Its in the cloud
3.2. Cons:
3.2.1. An active internet connection is needed to log on
3.2.2. Relies entirely on the internet
4. Windows 7
4.1. Pros:
4.1.1. Microsoft added a new task bar and Aero Peek which are very easy friendly
4.1.2. Users have found 7 to be very responsive and easy to use
4.2. Cons:
4.2.1. Windows XP still out performs this OS
4.2.2. Very susceptible to viruses, trojan programs, and spyware
5. Ubuntu 10.10
5.1. Pros:
5.1.1. Offers upgrades and updates very frequently
5.1.2. Very responsive and highly customizable OS
5.2. Cons:
5.2.1. Does not support a variety of applications
5.2.2. Extremely hard to set up hardware particularly apple and Microsoft hardware.