1. define: Operating System
2. PC Operating Systems
2.1. Ubuntu
2.1.1. Pros:
2.1.1.1. really speedy
2.1.1.2. can install system and browse the internet at the same time
2.1.2. Cons:
2.1.2.1. Presents options to install Adobe Falsh Player and MP3 music playback as installable options rather than defaulted options
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. Long load time on a usable desktop at about 34.7 seconds.
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. 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. 1
5.2.1.2. 2
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