Por um futuro retrospectivo.
Ubuntu MATE é um sistema operacional - o núcleo que faz o seu computador funcionar, de forma similar ao Microsoft Windows, Apple OS X e Google Chrome OS. Ubuntu MATE é uma distribuição (variação) do GNU/Linux. Um confiável, segundo, competente e moderno sistema de computador que rivaliza com todos os outros em popularidade e uso atual.
Diferentemente de outros sistemas operacionais, Linux é o mais usado em:
- na maioria dos mais rápidos e mais poderosos supercomputadores do mundo
- Em muitos dos (se não a maioria) dos computadores que que constituem a espinha dorsal da Internet
- e nos servidores corporativos que requerem estabilidade e segurança
Ubuntu MATE é um sistema operacional estável, de fácil uso com uma interface configurável. É o ideal para aqueles que querem o melhor de seus computadores e preferem uma interface tradicional. Com requisitos de hardware modestos, é adequado para modernos desktops e laptops, computadores de placa única (Como o Raspberry Pi) e hardware antigo também.
Nosso sistema operacional é mais seguro, e mais capacitado que o sistema operacional pré-instalado na maioria dos computadores pessoais hoje.
O uso do Ubuntu MATE fornece experiência de liberdade para executar um sistema operacional funcional, pré-configurado com a maioria (se não todos) dos aplicativos que você precisará para uso cotidiano. Você pode modificar a sua aparência, a funcionalidade ou os aplicativos em uso de acordo com o seu gosto.
Objectives
Ubuntu MATE has a number of guiding objectives and goals:
- Accessible to all, regardless of language and physical ability.
- Increase both Ubuntu and MATE Desktop user adoption.
- Ubuntu alternative for computers that aren't powerful enough to run a composited desktop.
- First choice Ubuntu platform for remote workstation solutions such as LTSP and X2Go.
- Recreate the halcyon days of Ubuntu for users who prefer a traditional desktop metaphor.
- Use themes and artwork similar to Ubuntu so that Ubuntu MATE is immediately familiar.
- When possible contribute to Debian so both the Debian and Ubuntu communities benefit.
- Software selection will favor functionality and stability over lightness and whimsy.
O que é o Ubuntu MATE?
Ubuntu

Ubuntu is one of, if not the, largest deployed Linux based desktop operating systems in the world. Linux is at the heart of Ubuntu and makes it possible to create secure, powerful and versatile operating systems, such as Ubuntu e Android. Android is now in the hands of billions of people around the world and it's also powered by Linux.
Ubuntu is available in a number of different flavors, each coming with its own desktop environment. Ubuntu MATE takes the Ubuntu base operating system and adds the MATE Desktop.
MATE Desktop
Wikipedia says that a Desktop Environment is:
an implementation of the desktop metaphor made of a bundle of programs running on top of a computer operating system, which share a common graphical user interface (GUI). Desktop GUIs help the user to easily access and edit files.
The MATE Desktop implements essential features that you'd expect in a desktop environment, such as:
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File Browser | Calculator | Archive Manager | Image Viewer | Document Viewer | System Monitor | Terminal |
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caja | galculator | engrampa | eom | atril | mate-system-moniotr | mate-terminal |

MATE Desktop provides an intuitive and attractive desktop environment using traditional metaphors, which means if you've ever used Windows ou OS X, it will feel very familiar.
The MATE Desktop has a rich history and is the continuation of the GNOME 2 desktop, which was the default desktop environment on many Linux and Unix operating systems for over a decade. This means that MATE Desktop is tried, tested and very reliable.

Open Source

What Linux, Ubuntu and MATE Desktop all have in common is they are Open Source. This software can be freely used, changed, and shared (in modified or unmodified form) by anyone. In a nutshell Ubuntu MATE is free, in the truest sense of the word.
Although you will find some distributions (variations) of Linux for purchase, the vast majority are provided free of charge, like Ubuntu MATE. The distribution is licensed in a way that allows anyone to give it away for free, with no strings attached. For example, the licence gives any member of the user community the freedom to use Linux for any purpose, to distribute, modify, redistribute, or even sell the operating system. If you do modify and then redistribute Linux with your modifications, you are required by the licence to submit your modifications for possible inclusion into future versions. There is no guarantee that this will ever happen, but if you have made it better, then your changes just might be included in the next release of Ubuntu MATE.
Many of the users of Linux are corporations that use the operating system to run their businesses, or include it within their products. Many of these corporations provide fixes and new features for Linux as they use the software for their businesses. These improvements are given back to the Linux community and Ubuntu MATE improves as a result. This is how we can continually improve and grow without having to charge our users money.
Unlike Windows and OS X, Linux is not created and supported by just one company. It is supported by Intel, Redhat, Linaro, Samsung, IBM, SUSE, Texas Instruments, Google, Canonical, Oracle, AMD, and Microsoft. Over 4,000 developers contributed to Linux over the last 15 years.
Whether you are a home user of Ubuntu MATE, an Ubuntu MATE software or application developer, or an employee of an organization that uses the operating system, you are a member of the Linux and Open Source communities and benefit from the efforts of the developers who contribute to Ubuntu MATE and its related projects: Linux, MATE, and Ubuntu. Members of the community run Linux on almost any hardware, from the prettiest Macbook to the cheapest netbook, from the newest Chromebook to some very old machines designed for Windows, and from the most powerful Internet servers to the smallest smart thermostat.