GDM (GNOME Display Manager) is a highly configurable reimplementation of XDM, the X Display Manager. It starts the X session and shows a login window to the user.

GDM is the GNOME Display Manager, a graphical login program, which provides a simpler alternative display manager for the X Window System's XDM. GDM is released under the GNU General Public License (GPL). The X Window System by default uses the XDM display manager. However, resolving XDM configuration issues typically involves editing a configuration file.

There are several layers at which a GNU/Linux system's appearance can be customized. By far the most visible, especially on a multi-user machine, is the login manager screen. KDM (the KDE desktop manager) has a highly-flexible and easy-to-use XML-based theme system. If you can draw what you want, you can make it happen with a KDM theme.

When you customized your Ubuntu desktop to replace the brown theme, you may have overlooked the login window. GNOME’s login window, called GDM (GNOME Display Manager), can be easily customized by installing themes.

GDM or GNOME Display Manager will easily allow anyone to fully customize the login screen theme without having to use the command line.There are tons of ready-made, user-submitted GDM themes available that we can just download and effortlessly install.

So maybe a week or so ago I posted about the Awn theme manager, which was still in early stages but was nice. Well it has made considerable progress, and is now not only a theme manager but pretty much all the preferences, in Awn.

Gstyle is a new full Gnome theme manager with some really great features which I am sure you will love if you like to customize your Desktop look constantly. Gstyle can automatically download and install wallpapers, Xsplash, GTK themes, icon themes, full themes, mouse pointers and more from gnome-look, deviantart, customize.org and others, or directly from the software source.

gstyle is a full gnome theme manager this software try to concentrate every possibles themes types in one main window with easy install of new themes form gnome-look, deviantart, customize.org or by direct download from the software.

This tutorial is supposed to show some features of the Enlightenment window manager as an alternative to the often used Gnome and KDE managers. I will install Enlightenment on a desktop computer with Ubuntu 11.10 installed.