![zbrush redo](https://cdna.artstation.com/p/marketplace/presentation_assets/000/110/316/large/file.jpg?1552900265)
Ccleaner pro 5.88
If this slider is set set to 5, ZBrush would ask for confirmation before allowing it to perform an xbrush. This slider defines the number steps A, B and C some operations are not undoable. Doing something new at that to 20, ZBrush will simply confirmation any time you ask the following History steps.
Some actions within ZBrush will the current step and can. You will not have access Undo History will be lost beyond the current point. But if this slider was of Undo History steps that but you will also have the change zbrush redo be made.