/[NO]NUMBERS

   Controls whether output lines are prefixed by the line number of the
   input record.  Format is a formatted number, then one space, then the
   text of the extracted record.  The number is formatted using the
   smallest width of 4, 6, 8, or 11 columns that can hold the value.
   Default is /NONUMBERS for unnumbered output.

   Use of /NUMBERS affects the default for /[NO]EXPAND_TABS.