How to Run two (or more) desktops at the same time in Ubuntu
Ubuntu offers the handy User Switcher applet at the top right of the desktop to switch between the desktop of two or more users. This is cleverer than it might first seem.
All articles tagged: gui
How to Kill a crashed GUI in Ubuntu Linux
This is an oldie but worth mentioning in case you don't know. To kill the GUI, for whatever reason, such as a crash, hit Ctrl + Alt + Backspace. There's no warning dialog boxes when you do this - any open applications will be terminated, and data lost. You'll be returned to the GNOME
login screen, where you can login afresh.
Quickly run applications without opening a terminal window
If you want to run a GUI application that doesn't have a menu entry (for example, gconf-editor), there's no need to fuss with a terminal window.