vzctl exec 222 df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/simfs            4.0G  3.8G  277M  94% /
tmpfs                 586M     0  586M   0% /lib/init/rw
varrun                586M  280K  586M   1% /var/run
varlock               586M     0  586M   0% /var/lock
udev                  586M     0  586M   0% /dev
tmpfs                 586M     0  586M   0% /dev/shm