Ubuntu is a Linux distribution based on Debian, but Debian is different in several cases. Ubuntu name of a South African context means “humanity toward others» (Humanity Towards Others) were considered.
Ubuntu every six months a new version is released. Moreover, for each version of Ubuntu, and 18 months after its release version, support is provided. LTS versions like 8.04 (Hardy), rather than the support of 18 months, three years and five years of support for PC-version support for server versions are offered.

One of the points of interest in the Ubuntu project, emphasizing access and globalization. Therefore, this software is available for all nationalities. It is very easy to work with and even users unfamiliar with it too easily accustomed to the environment.
All versions of Ubuntu are free forever. Ubuntu CDs free of charge to those who request it via e-mail had been sent. The project, called Ubuntu (Edubuntu) is the operating system as the name suggests, for use in the classroom and workplace  is very good. Another project called the Kubuntu OS (Kubuntu) is designed which uses the KDE Desktop. Ubuntu family includes the following:
ubuntu Desktop
Ubuntu Server Edition
Kubuntu
Edubuntu
Gobuntu
Ubuntu MID Edition
Xubuntu
Foundation Wikimedia, Wikipedia Foundation supports projects that are migrated to a distributed set of servers to Ubuntu. The move is part of the Foundation’s efforts to keep the various projects of the Foundation is to make a 400 server earlier versions of Redhat and Fedora have been used.

Ubuntu environment:
Ubuntu’s default GNOME (Gnome) uses. Of course, fans of KDE (KDE) version of this distribution called Kubuntu with KDE is the default setting offering that. The number of software available on the CD version is very low, and to install the software provided by Ubuntu to the  or use it to make DVD copies.

Note:
The operating system can be found on the side of  XP or Vista, but it is recommended to install the program VirtualBox or VMware to install the operating system and work with it to learn and use.