@option{option-name}
Use the @option command to indicate a command-line option; for
example, -l or --version or
--output=filename.
  
@option is equivalent to @samp in its effects. 
For example:
     The option @option{-l} produces a long listing.
     
   produces
The option -l produces a long listing. 
  In tables, putting options inside @code produces a
more pleasing effect.