<Tr> <Th> Place display in sleep mode </Th> <Td> button on monitor </Td> <Td> Ctrl + ⇧ Shift + Eject </Td> <Td> </Td> </Tr> <Tr> <Th> Bring up power / sleep dialog box </Th> <Td> ⊞ Win + D + release then Alt + F4 </Td> <Td> Ctrl + Eject </Td> <Td> </Td> </Tr> <Table> <Tr> <Th> Action </Th> <Th> Windows </Th> <Th> macOS </Th> <Th> KDE / GNOME </Th> </Tr> <Tr> <Th> Save screenshot of entire screen as file </Th> <Td> ⊞ Win + Print Screen or Print Screen </Td> <Td> ⇧ Shift + ⌘ Cmd + 3 </Td> <Td> Print Screen set the name and click "Save". GNOME Shell </Td> </Tr> <Tr> <Th> Save screenshot of window as file </Th> <Td> </Td> <Td> ⇧ Shift + ⌘ Cmd + 4 then Space </Td> <Td> Alt + Print Screen set the name and click "Save". ((GNOME)) </Td> </Tr> <Tr> <Th> Copy screenshot of window to clipboard </Th> <Td> Alt + Print Screen </Td> <Td> Ctrl + ⇧ Shift + f5 + 4 then Space </Td> <Td> Alt + Print Screen click "Copy to Clipboard". ((GNOME)) </Td> </Tr> <Tr> <Th> Copy screenshot of arbitrary area to clipboard </Th> <Td> </Td> <Td> Ctrl + ⇧ Shift + ⌘ Cmd + 4 </Td> <Td> ⇧ Shift + Print Screen click "Copy to Clipboard". ((GNOME)) </Td> </Tr> <Tr> <Th> Save screenshot of arbitrary area as file </Th> <Td> </Td> <Td> ⇧ Shift + ⌘ Cmd + 4 </Td> <Td> ⇧ Shift + Print Screen set the name and click "Save". ((GNOME)) </Td> </Tr> <Tr> <Th> Screencasting </Th> <Td> </Td> <Td> </Td> <Td> Ctrl + ⇧ Shift + Alt + R <P> </P> </Td> </Tr> </Table> <Tr> <Th> Action </Th> <Th> Windows </Th> <Th> macOS </Th> <Th> KDE / GNOME </Th> </Tr>

What is the shortcut key to print screen
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