Filesystem                  1K-blocks      Used Available Use% Mounted on
udev                          1937304         0   1937304   0% /dev
tmpfs                          392032      6308    385724   2% /run
/dev/mapper/ubuntu--vg-root 149178684   7324460 134253280   6% /
tmpfs                         1960152     36416   1923736   2% /dev/shm
tmpfs                            5120         4      5116   1% /run/lock
tmpfs                         1960152         0   1960152   0% /sys/fs/cgroup
/dev/loop1                     241024    241024         0 100% /snap/chromium/88
/dev/loop0                      85120     85120         0 100% /snap/core/3247
/dev/sda1                      482922    119444    338544  27% /boot
tmpfs                          392032        80    391952   1% /run/user/1000
/dev/sdc                      3884620   3573240    311380  92% /media/admin-alfa/USBSTORAGE
/dev/sdb1                   976760000 227604852 749155148  24% /media/admin-alfa/SAMSUNG
none                          1960152      2392   1957760   1% /tmp/guest-l4jywh
tmpfs                          392032        84    391948   1% /run/user/999
tmpfs                          392032         8    392024   1% /run/user/108