Photoshop
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 controlsCTRL+R
to activate the ruler (note that you can drag lines from the ruler into the screen)

Written by Jaime González García , Dad, Husband, Front-end software engineer, UX designer, amateur pixel artist, tinkerer and master of the arcane arts. You should follow him on Twitter where he shares useful stuff! (and is funny too).Follow @vintharas