Debian vs. Ubuntu
Main DifferenceDebian and Ubuntu both are the free distributions of Linux in which apt package of management system are being used. Community and release process of Ubuntu is different from Debian but Ubuntu is built on the foundations of Debian architecture and infrastructure. Ubuntu is a basically a Debian Linux with some extra applications and drivers pre-installed in order to make it more user friendly. Debian forums are much technical as compare to the Ubuntu forums. Debian focuses on the stability while Ubuntu focuses on the ease of use. Debian is a broad system which can be run on a huge range of hardware from embedded or handheld devices along with supporting Intel x86, x86-64, and PowerPC but Ubuntu is designed for desktop supporting Intel x86, x86-64, and PowerPC architectures only. Debian has the been developed by the only support of community while Ubuntu is only sponsored by the company Canonical. So it depends upon you to prefer either Debian or Ubuntu.

Difference Between Debian and Ubuntu
Debian vs. Ubuntu
Community and release process of Ubuntu is different from Debian but Ubuntu is built on the foundations of Debian architecture and infrastructure.
Debian vs. Ubuntu
Use of Debian is more difficult for initial configuration as compare to that of Ubuntu.
Debian vs. Ubuntu
Debian forums are much technical as compare to the Ubuntu forums.
Debian vs. Ubuntu
Ubuntu forums are quite easily accessible for the new users while in Debian it is not much easy.
Debian vs. Ubuntu
Debian is a broad system which can be run on a huge range of hardware from embedded or handheld devices along with supporting Intel x86, x86-64, and PowerPC but Ubuntu is designed for desktop supporting Intel x86, x86-64, and PowerPC architectures only.
Debian vs. Ubuntu
Debian focuses on the stability while Ubuntu focuses on the ease of use.
Debian vs. Ubuntu
Debian don’t have a for-profit company behind it while Ubuntu have a for-profit company named as Canonical behind them.
Debian vs. Ubuntu
Packages supported by the Debian are much more as compare to Ubuntu.
Debian vs. Ubuntu
As Debian supported systems are far more than Ubuntu so it takes much time to test a software that is supported by all of the systems.
Debian vs. Ubuntu
Debian has the been developed by the only support of community while Ubuntu is also sponsored by the company named Canonical.
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What is Debian?
Debian is a free Linux distribution using apt package management system. Debian is designed for being described as “the universal operating system”. Debian is a broad system which can be run on a huge range of hardware from embedded or handheld devices along with supporting Intel x86, x86-64, and PowerPC. Debian has the been developed by the only support of community. Debian is much stable providing the “Debian Testing” along with “Debian Stable”. Debian Stable fixes major bugs as it is supported by the security pdates.
What is Ubuntu?
Ubuntu is an operating system for PC, tablet, phone, smart TVs and cloud based on the Debian Linux operating system. Like Linux OS, it is also a freeware software which allows the users to freely connect and share with each others. Ubuntu is a basically a Debian Linux with some extra applications and drivers pre-installed in order to make it more user friendly. Basic purpose for the development of Ubuntu was the make “Linux for human beings”. First version of Ubuntu was released in 20 October 2004 and recently latest version 14.10 Utopic Unicorn released in 23 October 2014. It is available in over 55 international languages. LibreOffice, Firefox, ThunderBird and Transmission and some light games like Sudoku and Chess are already built in Ubuntu. Multiple MS Office and MS Windows application can be obtained via Wine Compatibility Package, VirtualBox and VMware Workstation. Besides others latest features, default desktop environment is its unique feature.