Well all strive to make our desktop as efficient as possible. Whether you're a coder who wants nothing more than to never remove your fingers from the keyboard, or if you're a writer who wants to use the mouse only when necessary, there are so many ways to make this happen. One of the easiest ways is to use keyboard shortcuts.

Reseting Gnome Settings

If your gnome-panel corrupt , Application Menu, Places Menu and System Menu and some other menu items will disappear.
How to recover it

Boot the system upto Login Window. Press Ctrl + Alt+F1

Now You will get a Text based login screen

login with your username and password

now you will get a $ prompt.

Xfce is just as customizable as KDE or GNOME, so I set myself a goal: make Xubuntu look like Windows Vista. Why? Because I can.

The Danish language makes use of two letters [åÅ] and [øØ] which are not on my Icelandic keyboard. Having to switch permanently between keyboard layouts all the time with key combinations (Windows way of doing things) such as alt+shift is tiresome! It turns out that there’s a very easy way to switch between layout in GNOME.

You can see a Windows button ( button with Windows Emblem and placed between Ctr; & Alt) in the Keyboard. This Tip will help you to utilize that key for opening your Ubuntu Menu in a single touch.

GnoMenu - A consolidated menu for gnome that brings eye candy to the world of the Gnome menu’s. Fully functional menu , supports themes , for a composited or non composited desktop. It can emulate the look and feel of the most beautiful menus of most modern desktops, and it can also use custom menus, due to its powerful theme XML engine.

X-tile is a gnome applet for your panel (or optionally a standalone application) that allows you to select a number of windows and tile them in different ways.This is especially useful for comparing products in separate web pages,or for programmers refering to documentation as they are programming.

"... if for example you have two windows in your application and both of them have a file menu, rather than having the file menu code in both of the windows, you can define an overlay and then share this one file between both windows. This centralizes the code for the file menu and makes updating/extending the menu much easier because code changes are only required in one place..."

The Gnome2 GlobalMenu project is an attempt to produce a GTK module and panel applet for gnome2 that acts as a global public menu for all gtk-powered applications. Instead of the application menu appearing on the actual window below the window manager "bar" it always appears on the panel.