文件系统           1K-块      已用      可用 已用% 挂载点
/dev/sda1             57672700   4150544  50592544   8% /
none                    958152       248    957904   1% /dev
none                    962660      1452    961208   1% /dev/shm
none                    962660        92    962568   1% /var/run
none                    962660         0    962660   0% /var/lock
none                    962660         0    962660   0% /lib/init/rw
none                  57672700   4150544  50592544   8% /var/lib/ureadahead/debugfs
/dev/sda5            115345960   1151316 108335316   2% /home