No idea why isnt enabled by default in Firefox, because it is a very pretty gadget, and also makes switching between tabs more simple.
This tutorial on how to enable list all tabs, was tested and works in Firefox 3.6 and Firefox 4.
Updated: How to remove or hide list all tabs button in Firefox 3.6 and Firefox 4.
Adobe Photoshop has a lot of keyboard shortcuts defined, but not all. If you want to customize them, this video tutorial is perfect for easy understanding how to change or define them.
Here you go, Google Chrome fans!
Window and tab shortcut keys
Ctrl + N
Open a new window
Ctrl + Shift + N
Open a new window in incognito mode
Alt + F4
Close current window
Here you go, Ubuntu lovers!
Ctrl + H
Shows the hidden files
Ctrl + T
Move the selected item to trash
F9
Opens the side panel
