To load a linetype

To list the linetypes loaded in the current drawing

To list the linetypes in a linetype definition file

To unload an unused linetype

To purge an unused linetype

To set the linetype for all new objects

To change the linetype assigned to a layer

To change the default linetype assigned to a layer

To change the linetype of an object, overriding the layer's linetype

To change the linetype scale of selected objects

To set the linetype scale for new objects

To change linetype scale globally

To set the linetype display for all new polylines

To change the linetype display of existing polylines