When you take a screenshot in OS X, using the default keyboard shortcuts, it places the image file on the Desktop. This might be OK in some instances, but what if you want to place it in a different directory, maybe one just for screenshots?
You can change the path using a Terminal.
Open Terminal and then type:
defaults write com.apple.screencapture location /Path/Goes/Here
So, if you want to send all Screenshots to a directory within Pictures, for a user called “daz”, the command would be:
defaults write com.apple.screencapture location /Users/daz/Pictures/Screenshots
You will need to log out and log back in to OS X for this change to take effect, but the next time you take a screenshot, it will place it in the directory of your choosing.