See the manpage for sysexits(3). Both should return EX_USAGE (64) in this case. You should only return EX_OK (0) if the command was successful. If
you're spitting out usage text, return EX_USAGE.
or a multi-line usage (e.g. something like bsdlabel(1)):
        kldfind [-qv] -c category ...
        kldfind [-qv] -s string   ...
        kldfind  -h

  Hi Rick,

Greats for your feedback, i accept your sugestion and update kldfind and man for version v058,
  http://ricardo.epm.br/freebsd/script/kldfind/kldfind-v058.

  One questions !!

  What is necessary for include kldfind in HEAD ?

--
Atenciosamente

Ricardo A. Reis
UNIFESP
Unix and Network Adm
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