000  $anz n  2
000  $a주제어
001  $aKSH2002019507
005  $a20021009000000
008  $a020808 n azknnaabn          |a a|a    | 
150  $aCHKDSK
450  $wr$i영어$acheck disk
550  $wg$a디스크 명령어[--命令語]