df -h
Filesystem      Size  Used Avail Use% Mounted on
udev             32G     0   32G   0% /dev
tmpfs           6.3G  646M  5.7G  11% /run
/dev/sdb        879G  812G   66G  93% /
tmpfs            32G  160M   32G   1% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs            32G     0   32G   0% /sys/fs/cgroup
/dev/sda1       879G  812G   66G  93% /home
/dev/sda1       879G  812G   66G  93% /arch
tmpfs           6.3G     0  6.3G   0% /run/user/128
tmpfs           6.3G   28K  6.3G   1% /run/user/1000
tmpfs           6.3G     0  6.3G   0% /run/user/1002
/dev/sdc        1.8T  1.2T  589G  67% /backup