You can say something like “I want to backup my entire file system using [this program]. I want to create a tar file, and then copy that to an external drive. I want the program to display progress while it’s copying, then verify the files have been copied correctly once it has finished. I am using [whatever distro]. Please give me the commands I need to achieve this.”
Then it will spit out the commands you need to input with the correct syntax.
The best part is that you can then ask it to clarify any parts of its answer so you can learn how it all works and make sure the commands are doing what you asked. And if your computer spits out an error, just paste that back into chatgpt and it will help you resolve it.
Seriously, chatgpt is like a 24 hour on call Linux guru friend. It’s saved me so much time and effort over the last few months doing things like this.