1. Operating System : op·er·at·ing sys·tem Noun: The software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals.
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. Open Source: o·pen-source Adjective: Denoting software for which the original source code is made freely available and may be redistributed with or without modification.
5. Smartphone Operating Systems
5.1. iOS
5.1.1. Pros:
5.1.1.1. 1
5.1.1.2. 2
5.1.2. Cons:
5.1.2.1. 1
5.1.2.2. 2
5.2. Android
5.2.1. Pros:
5.2.1.1. Highly customizable
5.2.1.2. Open
5.2.2. Cons:
5.2.2.1. 1
5.2.2.2. 2
5.3. RIM
5.3.1. Pros:
5.3.1.1. 1
5.3.1.2. 2
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