Photoshop shortcuts? Let's compile a list!

This thread is for compiling a list of photoshop shortcuts

Here are some i've found and know of...

To apply the last-used filter: CTRL + F

Apply the last-used filter with new settings: CTRL + ALT + F

Close a working window Press: CTRL + W

Copy a layer: Hold ALT and click/drag on your canvas

To fill the area with the foreground colour: ALT + BACKSPACE

Hide palettes and rulers: TAB key to toggle the palettes between 'visible' and 'invisible'

Hide the marching ants: CTRL+H

Hide the effects of a Mask layer: Hold the SHIFT button and click the Mask layer icon

Invert a selection: CTRL + SHIFT + I

Invert an image's colours: Press CTRL + I

Quit: CTRL + Q

Sharpen with Blur Tool: ALT + Left Click and drag

Select All Text: Press CTRL + A