A system administrator wants to automatically eject the backup tape each night after the backup is complete. Which command can be used to eject the tape？（）

A.The new drive is too small to hold the entire rootvg
B.The /home filesystem was not mounted during creation of the mksysb
C.The /home stanza in the bosinst.data contained an entry ’restore=no’
D.The /home filesystem was NFS exported to another system during creation of the mksysb

A.alog
B.swcons
C.lscons
D.syslog