15.65.6.2  AREA|DIRECTORY  - Selects the area to list histograms.  You may
use wild characters to select the particular areas to show.   See  COMMAND
SET HISTOGRAM.  If you wish to get a directory of the direct access file:
     TD:SHOW HIST AREA=//FILE/subdir/sub-subdir...
If you wish to get a directory of a global comman section:
     TD:SHOW HIST AREA=//SECT/subdir/sub-subdir...
                                  example
     TD:SHOW HIST AREA=/X
Shows all histograms in subdirectory //PAWC/X.
     TD:SHOW HIST TREE AREA=/X
Shows all histograms in the directory starting with //PAWC/X.
     TD:SHOW HIST AREA=/X/*
Shows all histograms in subdirectories of area //PAWC/X
     TD:SHOW HIST AREA=/X*/Y 
Shows  all  histograms  in the selecte areas.  For example //PAWC/X1/Y and
//PAWC/X2/Y will be shown but //PAWC/N/Y and //PAWC/X1/Z will not.