This article is part of my personal wiki where I write personal notes while I am learning new technologies. You are welcome to use it for your own learning!

Basic Shortcuts

Move tool

• CONTROL lets you move the layer you click on (instead of the selected layer)
  • also lets you select an area with multiple layers
• ALT and on a layer to duplicate it

Marquee tool

• hold SHIFT to keep equal proportions when creating a selection area

Other Shortcuts

• CTRL+T to activate the transformation controls
• CTRL+R to activate the ruler (note that you can drag lines from the ruler into the screen)