Debian
Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian uses the Linux kernel (the core of an operating system), but most of the basic OS tools come from the GNU project; hence the name GNU/Linux.
Fedora
Fedora is a Linux-based operating system that showcases the latest in free and open source software.
Fedora is always free for anyone to use, modify, and distribute. It is built by people across the globe who work together as a community: the Fedora Project. The Fedora Project is open and anyone is welcome to join.
GNOME
GNOME offers an easy to understand desktop for your GNU/Linux or UNIX computer.
Gutsy
Gutsy Gibbon is the code name for Ubuntu 7.10, the current Ubuntu release. It was released on 18 October 2007.
KDE
KDE or the K Desktop Environment, is a network transparent contemporary desktop environment for UNIX workstations. KDE seeks to fulfill the need for an easy to use desktop for UNIX workstations, similar to desktop environments found on Macintosh and Microsoft Windows operating systems.
openSUSE
The openSUSE project is a worldwide community program sponsored by Novell that promotes the use of Linux everywhere
repository
A repository is a central store of data. Often storing the latest versions of sofware.
RPM
The RPM Package Manager (RPM) is a powerful command line driven package management system capable of installing, uninstalling, verifying, querying, and updating computer software packages. Each software package consists of an archive of files along with information about the package like its version, a description, and the like. There is also a library API, permitting advanced developers to manage such transactions from programming languages such as C or Python.
Ubuntu
Ubuntu is a community developed, Linux-based operating system that is perfect for laptops, desktops and servers. It contains all the applications you need - a web browser, presentation, document and spreadsheet software, instant messaging and much more.