Desktop Opera

1. Ubuntu

1.1. Strengths

1.1.1. smart menu system that easily groups together all your “apps” in one easy place

1.1.2. Ubuntu has integrated a more casual (and touch) friendly UI, called Unity

1.2. Weaknesses

1.2.1. lack of customisability of the user interface and the menu bar at the top

1.2.2. Ubuntu UI do feel a little sluggish from time to time

2. Windows

2.1. Strengths

2.1.1. Quicker booting time

2.1.2. Windows 8 will support the power-savvy ARM chips found in phones and tablets

2.2. Weaknesses

2.2.1. security issues

2.2.2. Windows 8 features will not be compatible with existing computer hardware.

3. Mac OS X

3.1. Strengths

3.1.1. virus-free reputation that comes with it

3.1.2. Gaming Center

3.2. Weaknesses

3.2.1. Most of the applications Apple wants you to buy

3.2.2. Apple’s OSX operating system only functions with the company’s own computers