**-b**, **--bucket-size** *N*
Set the histogram bucket size (default *1*).
**-E**, **--entries** *N*
Set the number of entries of the histogram (default 256).
**--no-header**
Do not print header.
**--no-summary**
Do not print summary.
**--no-index**
Do not print index.
**--with-zeros**
Print zero only entries.