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The output of your command "$ df -h" is:

Filesystem                         Size  Used Avail Use% Mounted on
/dev/mapper/ubuntu--vg-ubuntu--lv   98G   11G   83G  12% /
tmpfs                              3.0G  1.9M  3.0G   1% /run
tmpfs                              1.5G  4.1M  1.5G   1% /run/user/1000
tmpfs                              1.5G   48K  1.5G   1% /run/user/0
tmpfs                              7.5G   35M  7.5G   1% /tmp
/dev/mapper/ubuntu--vg-lv--0       393G   32G  342G   9% /var
/dev/mapper/ubuntu--vg-lv--1       194G  111G   74G  60% /home
tmpfs                              4.0M     0  4.0M   0% /dev
tmpfs                              7.5G   12K  7.5G   1% /dev/shm