show                                               Displays environment
                                                   settings, constraint
                                                   settings, library
                                                   parameters, or library
                                                   cells.
 [ -env ]
 [ -cells
   -library                 library_name
 [ -pattern                 pattern ] ]              regular expression
 [ -constraints
 [ -global | -all ] ]                                / all
 [ -libparam ]
