1. Operating System Definition
1.1. Software that controls the execution of computer programs and may provide various services
2. PC Operating Systems
2.1. Ubuntu
2.1.1. Pros:
2.1.1.1. Softwares are easy to find and install
2.1.1.2. Easy access to application menus
2.1.2. Cons:
2.1.2.1. Adobe Flash player and MP3 music playback need to be installed in the beginning
2.1.2.2. Not the best music players
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. Simple installation
2.2.1.2. Default desktop looks great and functions well
2.2.2. Cons:
2.2.2.1. Slower bootup
2.2.2.2. Cannot use the computer while installing it
2.3. Mac OS X
2.3.1. Pros:
2.3.1.1. Faster bootup
2.3.1.2. Attractive installer
2.3.2. Cons:
2.3.2.1. Security updates are released in large patches
2.3.2.2. You need to set up the partitioning yourself
3. Sources 2011
3.1. wordnetweb.princeton.edu/perl/webwn
3.2. http://www.stobbstechnical.com/blog/?p=35
3.3. http://bit.ly/fsAC0f
3.4. http://bit.ly/ccLEBV
4. iOS
4.1. Pros:
4.1.1. Looks natural and is functional
4.1.2. No unnecessary applications
4.2. Cons:
4.2.1. No multitasking
4.2.2. Apple restricts what sort of apps developers can create for it
5. Smartphone Operating Systems
5.1. Android
5.1.1. Pros:
5.1.1.1. Great futures
5.1.1.2. Available on many different phones
5.1.2. Cons:
5.1.2.1. It has lost its simplicity
5.1.2.2. Issues supporting some apps
5.2. RIM
5.2.1. Pros:
5.2.1.1. Thumb friendly keyboards
5.2.1.2. Eats up less memory
5.2.2. Cons:
5.2.2.1. App store cannot compete with iPhone's
5.2.2.2. Issues with Pandora
5.3. Symbian
5.3.1. Pros:
5.3.1.1. No different interface layouts on different devices
5.3.1.2. Able to fit midrange and high-end devices
5.3.2. Cons:
5.3.2.1. Very slow
5.3.2.2. Can be affected by a virus