Restores all layers that were hidden or locked with the LAYISO command.
Reverses the effects of the previous LAYISO command. Any additional changes made to layer settings after you use the LAYISO command will be retained.
LAYUNISO restores layers to the state they were in just before you entered the LAYISO command. Changes to layer settings after LAYISO is used are retained when you enter the LAYUNISO command. If LAYISO was not used, LAYUNISO does not restore any layers.