When this variable is set to "1" (on, true, yes) all floating windows displayed on character-based hosts are drawn with a border (box). If this variable is set to "0" (off, false, no), floating windows are drawn with a border only when the BOXED phrase appears in the statement that creates the window. The default value for this variable is "0" (off, false, no). This variable has an affect only on character-based host systems.