linux查看硬盘分区情况

redhat@localhost ~]$ df
Filesystem          1K-blocks     Used Available Use% Mounted on
/dev/sda2             3960348  2241784  1514140  60% /
/dev/sda3            14721344   198760 13762712   2% /home
/dev/sda1               46633    10623    33602  25% /boot
tmpfs                  407820        0   407820   0% /dev/shm
[redhat@localhost ~]$ df -h
Filesystem           Size  Used Avail Use% Mounted on
/dev/sda2            3.8G  2.2G 1.5G  60% /
/dev/sda3             15G  195M  14G   2% /home
/dev/sda1             46M  11M   33M  25%/boot
tmpfs                399M    0  399M   0%/dev/shm