Our thanks in advance!
and many thanks for this kind articles, I did not know some of those shortcuts
(from Xubuntu Team Wiki)
"Xubuntu is a community developed, Ubuntu-based Linux operating system.
Xubuntu is an elegant and easy-to-use operating system. Xubuntu comes with Xfce, which is a stable, light and configurable desktop environment.
Xubuntu is perfect for those who want the most out of their desktops, laptops and netbooks with a modern look and enough features for efficient, daily usage. It works well on older hardware too."