F$UNIQUE

   Valid on Alpha and Integrity server systems only.

   Generates a string that is suitable to be a file name and is
   guaranteed to be unique across the cluster. Unique file names can
   be useful when creating temporary files.  The string returned
   is alphanumeric and may be used as a file name, logical name,
   or DCL symbol name or value with no reserved character issues.

   The F$UNIQUE function has no arguments, but must be followed by a
   blank pair of parentheses.

   Format

     F$UNIQUE()

Additional information available:

Return_Value    Examples