This shortcut is used by 4 programs in our database.
There isn't any generic description for this shortcut.
What this shortcut does in different programs?
All programs using this shortcut, by category.
Switch system controls directly
Restart the Cinnamon desktop. If Cinnamon locks up, try using this shortcut and see if it solves the issue
KDE Plasma Desktop
How often is this shortcut used in all programs?