1**-b**, **--bucket-size** *N* 2 3 Set the histogram bucket size (default *1*). 4 5**-e**, **--entries** *N* 6 7 Set the number of entries of the histogram (default 256). 8 9**--no-header** 10 11 Do not print header. 12 13**--no-summary** 14 15 Do not print summary. 16 17**--no-index** 18 19 Do not print index. 20 21**--with-zeros** 22 23 Print zero only entries. 24