What command(s) can I use in the terminal that's equivalent to the PrtSc (Print Screen) button?
You can use import tool available in the ImageMagick package (you need to install this if its already not available on your system).
Another way to take a screenshot from the terminal is with scrot
To install scrot type:
To take a screenshot in Linux from the terminal with scrot type:
Some more options with
In this example,
Found this option here and other options are also listed.
Open terminal by pressing Ctrl + Alt + T and type
use gnome-screenshot -d xx to delay the action.
To delay the screenshot action by 10s
A simple way to save the active window is to press Alt+PrtScr at the same time. This will take a shot of this window and ask you if you want to save it. If you answer 'Yes', it will save it for you in your Pictures folder and you can use it like any other file.