This video is about how to install TImeshift and back up your system using Timeshift
use the following commands
first Update & Upgrade your system
sudo apt-get update
sudo apt-get upgrade
now install timeshift
sudo apt-get install timeshift -y
Comment down below what other problems you face while using Linux and I will try to solve it for you
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https://www.youtube.com/watch?v=Yho6koQzbRo