alf(1) on Linux
The text de41d68289a1, as Debian 8 (Jessie) shipped it.
Alignment free sequence comparison SYNOPSIS DESCRIPTION -h, --help --version -v, --verbose -i, --input-file FILE -o, --output-file FILE -m, --method METHOD -k, --k-mer-size K -mo, --bg-model-order ORDER -rc, --reverse-complement MODE -mm, --mismatches MISMATCHES -mmw, --mismatch-weight WEIGHT -kwf, --k-mer-weights-file FILE.TXT CONTACT AND REFERENCES VERSION