" <------------------------- sam169.txt ----------------------------> " <- )ERASE. -------------------------------------------------------> a # 1 40 R 'a user b ' a # a,[1] '''Sum of arguments, a + b, is '',Fa+b ' Lfx a ccc#1+dd#I5 )group gr a user )group newgroup xxx gr )vars )fns )grps )erase ccc bbb dd )vars )fns )grps )erase gr )vars )fns )grps )off