linux命令之df -h
查看磁盘使用情况
df -h
输出：
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.8G 1.2G 2.6G 32% /dev/shm
tmpfs 3.8G 217M 3.6G 6% /run
tmpfs 3.8G 0 3.8G 0% /sys/fs/cgroup
/dev/mapper/centos-root 791G 142G 650G 18% /
/dev/sda1 1014M 149M 866M 15% /boot
/dev/mapper/centos-home 200G 7.9G 193G 4% /home
tmpfs 773M 0 773M 0% /run/user/0
tmpfs 773M 0 773M 0% /run/user/54321