Filesystem                  1K-blocks      Used Available Use% Mounted on
udev                          3508172         0   3508172   0% /dev
tmpfs                          707736      3472    704264   1% /run
/dev/mapper/ubuntu--vg-root 953034652 352585948 552014328  39% /
tmpfs                         3538668     47172   3491496   2% /dev/shm
tmpfs                            5120         4      5116   1% /run/lock
tmpfs                         3538668         0   3538668   0% /sys/fs/cgroup
/dev/loop3                      88704     88704         0 100% /snap/core/4650
/dev/loop2                      88704     88704         0 100% /snap/core/4571
/dev/loop1                       6528      6528         0 100% /snap/nmap/29
/dev/loop4                       3328      3328         0 100% /snap/easy-openvpn/5
/dev/loop0                     130688    130688         0 100% /snap/shotcut/21
/dev/loop6                     139136    139136         0 100% /snap/shotcut/22
/dev/loop5                      88704     88704         0 100% /snap/core/4486
/dev/sdb1                   240234136  20646872 207360956  10% /home/alex/xtra
/dev/sdc2                   759719044 552915920 168204956  77% /home/alex/allback
/dev/sdc1                   204796584  48947628 155848956  24% /home/alex/seagateusb
/dev/sda2                      241965    147557     81916  65% /boot
/dev/sda1                      523248      4744    518504   1% /boot/efi
tmpfs                          707732        16    707716   1% /run/user/127
tmpfs                          707732        64    707668   1% /run/user/1000