VMS Help SORT, Specification File Qualifiers, /STABLE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Specifies that records with equal keys are directed to the
    output file in their input file order. The default condition
    is /NOSTABLE.

    Formats

      /STABLE

      /NOSTABLE

  Additional Information (explode) :

• Full Description
• Example