When I login with root, and run "mkdir test", the system says "No space left on device". But if I login with other user, it goes well.
[/root]df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/da0s1a 496M 411M 45M 90% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/da0s1e 496M 12K 456M 0% /tmp
/dev/da0s1f 57G 878M 51G 2% /usr
/dev/da0s1d 4.3G 215M 3.8G 5% /var
[/root]df -i
Filesystem 1K-blocks Used Avail Capacity iused ifree %iused Mounted on
/dev/da0s1a 507630 420824 46196 90% 65790 0 100% /
devfs 1 1 0 100% 0 0 100% /dev
/dev/da0s1e 507630 12 467008 0% 6 65784 0% /tmp
/dev/da0s1f 59252554 1261724 53250626 2% 164917 7513033 2% /usr
/dev/da0s1d 4553102 91766 4097088 2% 22973 565825 4% /var
[/root]mkdir test
/: create/symlink failed, no inodes free
mkdir: .ssh: No space left on device