53 Photoshop tips

Techlicious have listed 53 tips for photoshop.
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According to a comment by Don, a lot of these tips can’t be used on CS3. Take note please.

Unable to delete a file?

 
thefreecountry.com, “The programs listed on this page are for situations where you have tried to delete, move or rename a file or folder (subdirectory) under Windows only to receive a dialog box with an error message like “Cannot delete [filename]: It is being used by another person or program. Close any programs that might be [...]