/sys$common/syshlp/SHWCLHELP.HLB
SET, Field, Qualifiers, /WIDTH
 *Conan The Librarian 

  Sets the number of columns to use to display a particular field.
  Specifying a value less than the minimum allowed for a particular
  field will set the number of columns for that field to the minimum
  value.  Specifying a value greater than the maximum number of
  columns allowed for a particular field will set the number of
  columns for that field to the maximum value.

  Format:  SET field-name[,...] /WIDTH=value [/qualifier,...]
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