How to find deleted file to permanent delete?

I hope get help because I’m new on hestia.
My worker when install hestia not give me support so kindly would to help

I delete so many files but I think not permanent delete because seems make my space full.
I want to permanent delete to make my space empty
Kindly would to help with command on ssh or maybe another way to emptying my trash folder.

thank you.

Wait for the cronjob to run (tonight) to show updated information on disk usage.

Ojhh…okay, thanks