2013

Off Turns off all but the selected layers in all viewports.
Lock and Fade
Locks all layers except the layers of the selected objects, and sets the fading for
locked layers.
See also:
Use Layers to Manage Complexity
LAYLCK
Locks the layer of a selected object.
Access Methods
Button
Toolbar: Layers palette  Lock Layer
Menu: Format  Layer Tools  Layer Lock
Summary
Using this command, you can prevent objects on a layer from being
accidentally modified. You can also fade the objects on a locked layer using
the LAYLOCKFADECTL system variable.
See also:
Prevent Objects from Being Selected
LAYMCH
Changes the layer of a selected object to match the destination layer.
Access Methods
Button
L Commands | 561