Df

df (abbreviation for disk free) is a command used to display the amount of available disk space.

df -kh -xoverlay
-x --exclude . For example: overlay 

Examples

df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            481M     0  481M   0% /dev
tmpfs            99M  608K   98M   1% /run
/dev/vda1        25G  2.1G   22G   9% /
tmpfs           493M     0  493M   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           493M     0  493M   0% /sys/fs/cgroup
/dev/vda15      105M  3.6M  101M   4% /boot/efi
tmpfs            99M     0   99M   0% /run/user/0

Related commands:

• find
• docker system df

See also

• File system, du, df, find, ls, mkdir, touch, locate
• du, du -hs, Disk space usage, df, ls, tree, find, docker system df, journalctl --disk-usage, No space left on device, ENOSPC, sar -F, growpart, resize2fs, ncdu, duf, dua-cli

http://man7.org/linux/man-pages/man1/df.1.html