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How to Backup Files in Linux With Rsync on the Command Line

One of the advantages of the digital world, compared to the physical world is that you can protect some of your ‘valuables’ from permanent loss. I know friends who have lost all of their photographs, books and documents in fires or floods. I wish they had digital versions of those things which we could have saved. It takes only one click to make a copy of your data and you can carry terabytes of data on a hard drive smaller than your wallet.