To check hidden parameters oracle

SELECT x.inst_id,x.indx+1,ksppinm,ksppity,ksppstvl,ksppstdf,
DECODE(BITAND(ksppiflg/256,1),1,'TRUE','FALSE'),
DECODE(BITAND(ksppiflg/65536,3),1,'IMMEDIATE',2,'DEFERRED',3,'IMMEDIATE','FALSE'),
DECODE(BITAND(ksppstvf,7),1,'MODIFIED',4,'SYSTEM_MOD','FALSE'),
DECODE(BITAND(ksppstvf,2),2,'TRUE','FALSE'),
ksppdesc
FROM x$ksppi x,
x$ksppcv y
WHERE (x.indx = y.indx)
--AND x.indx =1178
/*and (translate(ksppinm,'_','#') not like '#%'
OR (TRANSLATE(ksppinm,'_','#') LIKE '#%'AND ksppstdf = 'TRUE'))*/
ORDER BY 3;