gbmodes(1) on Linux
The text 6cb251e70518, as Debian 10 (Buster) shipped it.
Analyze multimodality in univariate data
Flags it lists
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-F -
-K -
-O -
-R -
-S -
-e -
-h -
-m -
-n -
-r -
-s -
-t -
-v