df -i
Filesystem       Inodes  IUsed    IFree IUse% Mounted on
udev            8214098    519  8213579    1% /dev
tmpfs           8230481    796  8229685    1% /run
/dev/md2       29122560 205799 28916761    1% /
tmpfs           8230481      1  8230480    1% /dev/shm
tmpfs           8230481      3  8230478    1% /run/lock
tmpfs           8230481     18  8230463    1% /sys/fs/cgroup
/dev/md1         131072    602   130470    1% /boot
tmpfs           8230481     21  8230460    1% /run/user/0