si infatti, ora me lo leggo bene.

comunque, con DF mi esce:

codice:
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda5            237829792   6515040 219233652   3% /
none                   1020220       668   1019552   1% /dev
none                   1029632       212   1029420   1% /dev/shm
none                   1029632       332   1029300   1% /var/run
none                   1029632         0   1029632   0% /var/lock