LINUX - "Linux is a free Unix-type operating system originally created by Linus Torvalds with the assistance of developers around the world. Developed under the GNU General Public License, the source code for Linux is freely available to everyone." (www.linux.org)

GNU - "The GNU Project was launched in 1984 to develop a complete Unix-like operating system which is free software: the GNU system. GNU's kernel isn't finished, so GNU is used with the kernel Linux. The combination of GNU and Linux is the GNU/Linux operating system, now used by millions." (www.gnu.org)

GNOME - "GNOME offers an easy to understand desktop for your GNU/Linux or UNIX computer." (www.gnome.org)

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." (www.ubuntu.com)