COLUMN parameter           FORMAT a37
COLUMN description         FORMAT a30 WORD_WRAPPED
COLUMN "Session Value"     FORMAT a10
COLUMN "Instance Value"    FORMAT a10
SET LINES 100
SET PAGES 0
SPOOL undoc.lis
SELECT 
     a.ksppinm  "Parameter", 
     a.ksppdesc "Description",
     b.ksppstvl "Session Value",
     c.ksppstvl "Instance Value"
FROM
     x$ksppi a,
     x$ksppcv b,
     x$ksppsv c
WHERE
     a.indx = b.indx
     AND a.indx = c.indx
     AND a.ksppdesc LIKE '%&somedescription%';