Autodesk AUTOCAD 2006, Command Reference Manual, Page: 609 / 1490

If you enter a valid lineweight, the current lineweight is set to the new value.
If you enter a lineweight that is not valid, the current lineweight is set to the
nearest fixed lineweight value. If you would like to plot an object with a
custom width not found in the list of fixed lineweight values, you can use the
Plot Style Table Editor to customize plotted lineweights.
Enter name list of layers(s) for lineweight current <current>: Enter a name list or
press ENTER
The lineweight is assigned to the layer or layers.
Plot
Controls whether visible layers are plotted. If a layer is set to plot but is
currently frozen or turned off, the layer is not plotted.
Enter a plotting preference [Plot/No plot] <Plot>: Enter an option or press ENTER
Enter layer name(s) for this plot preference <current>: Enter a name list or press
ENTER
The plot setting is assigned to the layer or layers.
Pstyle
Sets the plot style assigned to a layer. This option is not available if you are
using color-dependent plot styles in the current drawing (the PSTYLEPOLICY
system variable is set to 1). See “Use Plot Styles to Control Plotted Objects” in
the User’s Guide.
Enter plot style or [?] <Normal>: Enter a name, enter ? to list existing plot styles,
or press ENTER
If you select a plot style other than NORMAL, the following prompt is
displayed:
Enter name list of layer(s) for plot style current <current>: Enter the names of the
layers to use this plot style, or press ENTER to apply the style to the current layer
only
Freeze
Freezes layers, making them invisible and excluding them from regeneration
and plotting.
Enter name list of layer(s) to freeze or <select objects>: Enter a name list or press
ENTER and select objects
Thaw
Thaws frozen layers, making them visible and available for regeneration and
plotting.
LAYER Command Line | 585