How to remove snapshots?

Question

linux

Can't login to Mint due to lack of disk space. Logged in via bootable flash drive. almost all the memory was taken by snapshots. Can't remove them, tried sudo rm -rf/ with no success. How can I delete?
Just getting started with Linux

Answer 1

/dev/sdb2. 94G. 100%

run
du -kx /mnt/sdb2 | sort-rn | head -20
/mnt/sdb2 is where /dev/sdb2 is mounted, yours may be different.
This will give a list of the largest directories