Copies one or more objects to another layer
Toolbar: Layers II 
Menu: Format
Layer Tools
Copy
Objects to New Layer
Command entry: copytolayerSelect objects to copy:
Select object on destination layer or [Name] <Name>: Select an object or enter n
If you enter -copytolayer at the command prompt, options are displayed at the command prompt.
Select Object on Destination Layer
Specifies the layer on which the selected objects are placed.
Specify Base Point or [Displacement/Exit] <eXit>: Specify a point, enter d, or enter x
Specifies the base point of the copied objects.
Specify second point of displacement or <use first point as displacement>:
Enters coordinate values that specify a relative distance and direction.
Specify displacement <0.0000, 0.0000, 0.0000>:
Cancels the command.
Displays the Copy to Layer dialog box.
Specify Base Point or [Displacement/Exit] <eXit>: Specify a point, enter d, or enter x
Specifies the base point of the copied objects.
Specify second point of displacement or <use first point as displacement>:
Enters coordinate values that specify a relative distance and direction.
Specify displacement <0.0000, 0.0000, 0.0000>:
Cancels the command.