1. Windows 7
1.1. Pros:
1.1.1. support both Web- and client-based applications
1.1.2. one of the most secure Operating Systems they have released
1.2. Cons:
1.2.1. Boot Time: 34.7 seconds.
1.2.2. Does not offer a way to update all of the software on your system
1.2.3. Security Updates aren’t released on a regular schedule
2. Mac OS X
2.1. Pros:
2.1.1. Boot Time: 16.3 seconds
2.1.2. Easy to add and remove softwar
2.1.3. univeral menu bar and normally used application on the desktop
2.2. Cons:
2.2.1. released in large patches of security updates
2.2.2. MS Office for Mac apps crashed regularly
3. Ubuntu 10.10
3.1. Pros:
3.1.1. Boot Time: 18.7 seconds
3.1.2. Almost all the software you’ll ever need is accesible from Ubuntu’s included Software Center.
3.1.3. Cleanest, easiest update system
3.2. Cons:
3.2.1. Adobe Flash player and MP3 music playback as installable options
3.2.2. a lot of impotence on passwords
4. Google Chrome OS
4.1. Pros:
4.1.1. aimed at users who spend most of their computer time on the Internet
4.1.2. integrate a media player
4.2. Cons:
4.2.1. exclusively with web applications
4.2.2. Aimed at users who spend most of their computer time on the Internet.
4.2.3. will only run on hardware supported by Google and its partners