请大家来分析一道题的答案

佚名

There is a database running in an AIX partition on a p570 server. The database administer wants a script run to cleanly shut down the database before the operating system is shut down. As system administrator,which of the following would meet the database administrator requirement?\r\n\r\nA.Create an /etc/rc.shutdown file containing instructions to shut down the database\r\n\r\nB.Create a DLPAR script on the HMC that issues an operating system command to run the database shut down script whenever a shutdown LPAR command is run on the HMC\r\n\r\nC.Use the chitab command to change the Action field of the appropriate /etc/inittab entry from Respawn to Once\r\n\r\nD.Create a script to shut down the database in the /etc/rc.d/rc2.d directory\r\n\r\n答案是A，但我怎么觉得A、D都对？

tyrone.dev

rc2.d的话如果是在单用户模式下就不会执行到了。

100percent

answer:A\r\nOS shutdown前会自动调用/etc/rc.shutdown这个脚本的