The -NUMBER option was removed from ‘shred’ in 1999, but the
manual wasn’t updated to match. Problem reported by Nick Rose in:
http://bugs.gnu.org/21502
* doc/coreutils.texi (shred invocation):
Remove documentation for -NUMBER option.
@cindex force deletion
Override file permissions if necessary to allow overwriting.
-@item -@var{number}
-@itemx -n @var{number}
+@item -n @var{number}
@itemx --iterations=@var{number}
@opindex -n @var{number}
@opindex --iterations=@var{number}