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Unluckily
A few days ago, my NAS broke. Do you want to know why it happened? It's because when I was cleaning my NAS, I tried to enter rm -rf ./* but I forgot the ., and then, as you can guess, disaster struck.
Now I have completely fixed it and use rsync to back it up. I hope nothing untoward happens again, but if it does, please, God bless me.