Starting Spectacle
Spectacle can be started in a variety of ways, as described below:
In the application launcher menu, Spectacle can be found at Applications Utilities Screenshot Capture Utility Spectacle
Pressing the Print button on the keyboard will immediately launch Spectacle. Additionally, three more keyboard shortcuts are available to take screenshots and save them in your default save folder without showing the :
Meta Print will take a screenshot of the active window
Print will take a screenshot of your entire desktop, all monitors
Meta Print will take a rectangular region screenshot
You can configure the default save location and filename by starting Spectacle normally and clicking on the Configure... button, then navigating to the Save section.
The mini command line (invoked with F2) may also be used to start Spectacle.
Spectacle can be started from the command-line. Spectacle has an extensive set of command-line options, including a background mode which can be used to script the capture of screenshots without showing the or requiring user interaction.
To start Spectacle from the command prompt, type in:

                    % spectacle &

To view the full list of command-line options and their explanation, type in:

                    % spectacle --help