1. define: Operating System
1.1. An operating system (OS) is software, consisting of programs and data, that runs on computers, manages computer hardware resources, and provides common services for execution of various application software.
2. PC Operating Systems
2.1. Ubuntu
2.1.1. Pros:
2.1.1.1. Ubuntu will always be free of charge
2.1.1.2. Free, open source, stable, fast, less bugs, more secure, hardly crash, virtually no viruses or malware
2.1.2. Cons:
2.1.2.1. New and latest hardware normally do not support Ubuntu right away
2.1.2.2. Many Windows video games cannot be install with Ubuntu since it is not built for games.
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. The new operating system strikes an excellent balance between security and annoying features.
2.2.1.2. Improved taskbar - larger icons, preview and full-screen preview before switching to window
2.2.2. Cons:
2.2.2.1. 2d and primary drives are being "lost" on regular basis by 7.
2.2.2.2. According to one article, 86% of windows 7 PC's are maxing out their memory (RAM).
2.3. Mac OS X
2.3.1. Pros:
2.3.1.1. The software and hardware are designed to work together for optimal experience
2.3.1.2. Great programs for the artistic minded (journalism, photography, moviemaking, etc..
2.3.2. Cons:
2.3.2.1. Windows is still the premier gaming PC, you can still run many games on Mac OS X but not all of them.
2.3.2.2. Not as easy to upgrade, though more companies are starting to offer upgrade options
3. Sources 2011
3.1. http://bit.ly/dB5P25
3.2. http://anse.rs/ibcFwf
3.3. http://bit.ly/opID
3.4. http://bit.ly/Z9qkl
4. Smartphone Operating Systems
4.1. iOS
4.1.1. Pros:
4.1.1.1. iOS has turned out to be the easiest mobile operating system, where everything was so clear and obvious
4.1.1.2. The UI is silky smooth throughout with no noticeable sluggishness.
4.1.2. Cons:
4.1.2.1. There are some things that Apple is yet to take care of such as Bluetooth file transfers, file manager, mass storage
4.1.2.2. Widgets and FM radio to name a few, but we have a feeling none of these will ever be addressed.
4.2. Android
4.2.1. Pros:
4.2.1.1. Android has almost every feature that you could want, whether it is multitasking, widgets, tethering, Wi-Fi hotspot or Adobe Flash support
4.2.1.2. offers the best combination of features, performance and support from the developer community in terms of application
4.2.2. Cons:
4.2.2.1. Android does not use the GPU to render the on-screen images, which means the CPU is overburdened, causing further slowdowns.
4.2.2.2. Lost some of its simplicity and picked up some UI design elements that seem overdone, such as the 3D image gallery.
4.3. RIM
4.3.1. Pros:
4.3.1.1. You can choose your network and service providers, without limitations based on contracts.
4.3.1.2. You can view email attachments such as PDFs, documents, and images.
4.3.2. Cons:
4.3.2.1. Lacks the 3G network.
4.3.2.2. Lacks the expansive memory storage.
4.4. Symbian
4.4.1. Pros:
4.4.1.1. Multiple supported runtimes so that you can use whatever programming language feels right for you.
4.4.1.2. It is widely used by various mobile phone manufacturer's, therefore, larger support.
4.4.2. Cons:
4.4.2.1. Terribly slow.
4.4.2.2. The fact the Ovi Store isn't exactly brimming with great quality apps is also another reason why it lags behind