- Delete the bottom panel: right-click over it and click "Delete This Panel".
- Move the top panel to bottom: right-click over it, select "Properties" and change Orientation from "Top" to "Bottom".
- Add running program buttons: right-click the panel, select "Add to Panel", scroll down and select "Window List", click "Add".
- Replace the Menu Bar ("Applications-Places-System") with the "Main Menu" to save space in the panel:
- Right-click the "Menu Bar" and select "Remove From Panel".
- Right-click the panel, select "Add to Panel" and choose "Main Menu", click "Add".
- Right-click the items (Firefox, etc) and untick "Lock to Panel".
- Right-click the added "Main Menu", select "Move" to relocate it to the far left.
If you want to restore the panels to the original state, enter the commands into the Terminal and restart the system:
- sudo gconftool-2 --shutdown
- sudo rm -rf .gconf/apps/panel
- sudo pkill gnome-panel
Or if you want to reset all back to their defaults, then enter this command
sudo rm -rf .gnome .gnome2 .gconf .gconfd .metacity in the Terminal, log out and log back in to the system.