15.65.6  HISTOGRAMS 

This  command  shows  the  list  of  histograms  made  available  by   the
SET HISTOGRAM  command.   You  may  terminate the listing in the middle by
pressing Ctrl_C.
SHOW HISTOGRAMS [CURRENT] [[IDENT=] n] [FROM] [n1] [TO] [n2]
     [SELECT|NAME='hist_name']
     [EXACT[=ON|OFF]]
     [ALL|FULL|BRIEF[=ON|OFF]]
     [CONTENTS[=ON|OFF]]
     [OPTIONS[=ON|OFF]]
     [STATISTICS[=ON|OFF]]
     [AREA|DIRECTORY="dir/subdir..."]
     [SEARCH[=ON|OFF]]
     [TReE[=ON|OFF]]
     [ENTRIES[=ON|OFF]]
     [HISTOGRAM[=ON|OFF]]
     [ARRAY[=ON|OFF]]
     [MESH[=ON|OFF]]
     [NTUPLES[=ON|OFF]]
     [NLMIT[=n]]
     [NMASK[=n]]
     [POINTS|COLUMNS=[FROM] n1 [TO] [n2]]
     [LINES|ROWS=[FROM] n1 [TO] [n2]]