— Function File: grid (arg)

For two-dimensional plotting, force the display of a grid on the plot. The argument may be either "on" or "off". If it is omitted, "on" is assumed.

— Function File: title (string)

Specify a title for a plot.

— Function File: xlabel (string)
— Function File: ylabel (string)
— Function File: zlabel (string)

Specify x, y, and z axis labels for the plot. If you already have a plot displayed, use the command replot to redisplay it with the new labels.

— Function File: top_title (string)
— Function File: bottom_title (string)

Makes a title with text string at the top (bottom) of the plot.