Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda1            301804236 109484524 176988888  39% /
none                   1958556       376   1958180   1% /dev
none                   5242880      3316   5239564   1% /dev/shm
none                   1964012       444   1963568   1% /var/run
none                   1964012         0   1964012   0% /var/lock
none                   1964012         0   1964012   0% /lib/init/rw
none                 301804236 109484524 176988888  39% /var/lib/ureadahead/debugfs
/dev/sdb1            976628928 949430912  27198016  98% /media/MyBook