1. define: Operating System
2. PC Operating Systems
2.1. Ubuntu
2.1.1. Pros:
2.1.1.1. 1
2.1.1.2. 2
2.1.2. Cons:
2.1.2.1. 1
2.1.2.2. 2
2.1.3. Ubuntu is a computer operating system based on the Debian GNU/Linux distribution and is distributed as free and open source software with additional proprietary software available. It is named after the Southern African ethical principle Ubuntu ("humanity towards others"). Ubuntu provides an up-to-date, stable operating system for the average user, with a strong focus on usability and ease of installation. Web statistics suggest that Ubuntu's share of Linux desktop usage is about 50%, and upward trending usage as a web server. Ubuntu is sponsored by the UK-based company Canonical Ltd.
2.1.4. http://gogeometry.com/software/ubuntu_linux_operating_system_mind_map_news.html
2.2. Windows 7
2.2.1. Pros:
2.2.1.1. 1
2.2.1.2. 2
2.2.2. Cons:
2.2.2.1. 1
2.2.2.2. 2
2.3. Mac OS X
2.3.1. Pros:
2.3.1.1. 1
2.3.1.2. 2
2.3.2. Cons:
2.3.2.1. 1
2.3.2.2. 2
3. Sources 2011
4. define: Open Source
5. Smartphone Operating Systems
5.1. iOS
5.1.1. Pros:
5.1.1.1. Apple’s mobile operating system is one of the best on the market. Apple has introduced many key features that cannot be found on other devices.
5.1.1.2. its like a walking music player
5.1.2. Cons:
5.1.2.1. cost a lot of money
5.1.2.2. can get viruses
5.2. Android
5.2.1. Pros:
5.2.1.1. very popular
5.2.1.2. strong Internet conection
5.2.2. Cons:
5.2.2.1. smaller screens
5.2.2.2. most don't have physical keyboards
5.3. RIM
5.3.1. Pros:
5.3.1.1. physical keyboard
5.3.1.2. Research In Motion, like Apple, produces great quality hardware that is also aesthetically pleasing.
5.3.2. Cons:
5.3.2.1. 1
5.3.2.2. 2
5.4. Symbian
5.4.1. Pros:
5.4.1.1. 1
5.4.1.2. 2
5.4.2. Cons:
5.4.2.1. 1
5.4.2.2. 2