Library /sys$common/syshlp/DFUHLP.HLB
DFU, SET, Qualifiers, /EBYTE
 *Conan The Librarian 

  /EBYTE[=byte]

   This qualifier  will set the  end-of-file byte mark to the highest
   byte if it has not been specified. Otherwise the  end-of-file byte
   mark will be set to the specified byte.
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