文件系统           1K-块     已用     可用 已用% 挂载点
udev             1954748        0  1954748    0% /dev
tmpfs             396816     1792   395024    1% /run
/dev/sda5      114336932 17945940 90539908   17% /
tmpfs            1984064    43000  1941064    3% /dev/shm
tmpfs               5120        4     5116    1% /run/lock
tmpfs            1984064        0  1984064    0% /sys/fs/cgroup
/dev/sda1         523248        4   523244    1% /boot/efi
overlay        114336932 17945940 90539908   17% /var/lib/docker/overlay2/481c28d7518074226b90b6f3ad89f5f1e45acb1d501e292b1648fe85ac3f6c17/merged
shm                65536        0    65536    0% /var/lib/docker/containers/a2330c80e4fa89dedaa4018b54e78b3ad5cf5ae37efb9b1d380423880065c4d7/mounts/shm
tmpfs             396812       32   396780    1% /run/user/1000