You will be asked to take a screenshot occassionally of your work for assessments, you can recognise these places easily because there will be a camera icon nearby every. You can do this easily, and there are a few variants to speed your workflow.
The most basic is a full-screen shot. You can do this using
(in Mac OS X documentation, this may be styled as
will take a screenshot, and put it into a file on the Desktop
If you include the Control key as well, making it ⌘^⇧3, it will vary the result slightly by putting it on the clipboard instead. Typically, it is the Option key that generally modifies commands, which makes key combinations easier to remember.
If you just want a selection of the window, use
instead. The cursor will change to a crosshair instead, allowing
you to select the region on screen you want. The result goes into
Picture ; Include
Control (which has the symbol ^) to put it into the clipboard
Finally, and very usefully, you can easily take a snapshot of a window or dialog by ⌘⇧4 and then pressing Space, which will turn the crosshair into a camera, which you can click on a window to take a shot of the window.