查看当前文件系统df-lhT-BG

[root@ok-T test]# df -lhT -B G
Filesystem           Type  1G-blocks  Used Available Use% Mounted on
/dev/mapper/vg_okt-lv_root
                     ext4        50G    5G       43G   9% /
tmpfs                tmpfs        2G    1G        2G   1% /dev/shm
/dev/sda1            ext4         1G    1G        1G  10% /boot
/dev/mapper/vg_okt-lv_home
                     ext4       405G    1G      385G   1% /home
[root@ok-T test]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg_okt-lv_root
                       50G  4.1G   43G   9% /
tmpfs                 1.9G  240K  1.9G   1% /dev/shm
/dev/sda1             477M   42M  410M  10% /boot
/dev/mapper/vg_okt-lv_home
                      405G  269M  385G   1% /home