Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] underlines, type Underpainting filter Undo Auto Contrast command (Edit menu) Undo Auto Levels command (Edit menu) Undo command (Edit menu) Undo Grayscale command (Edit menu) Undo History command (Window menu) Undo History palette 2nd Ungroup command (Layer menu) Uniform option (Indexed Color palette) Units & Rulers command (Edit menu) Units & Rulers dialog box Unsharp Mask command (Filter menu) Unsharp Mask dialog box Unsharp Mask filter upsampling |