单选题：How could you monitor the amount of free inodes on /dev/hda3 ?

How could you monitor the amount of free inodes on /dev/hda3 ? @[D](1)
A. inode --free /dev/hda3
B. ls -i /dev/hda3
C. dm -i /dev/hda3
D. df -i /dev/hda3





A.inode --free /dev/hda3
B.ls -i /dev/hda3
C.dm -i /dev/hda3
D.df -i /dev/hda3


答案：D