corrupt - corrupt file by modifying bytes in-place
corrupt [ options ] file offset,length,character ...
corrupt modifies byte ranges of the named file operand in place according to the 3-tuple operands offset
,length,character, where offset is the file offset, length is the length in bytes of
the segment to corrupt, and character is the value of the newly corrupted bytes. One or more 3-tuples may be
specified. The calling process must have read/write/seek access to file.