# shows total, available, and used.
df / -h
df -h
or
df -h --total
or
lsblk
du -cha --max-depth=1 / | grep -E "M|G"
#report file system disk space usage
df -h
or
sudo du -sh ./*
or
du -h -s *
#check space with path
df / -h
or
df -h /
#check space with type
df -Th
df -h