Backing up my system

If the user is too poor to backup what is on computer than perhaps he is too poor to own a computer and should wait and learn how to save money for what is important. Or maybe there is nothing important on the computer? Personally without proper backup I wouldn't bother putting anything on a computer until you all learn importance of backup because the next thing you will be doing is coming here crying you lost everything and asking for miracles we can't provide.
 
An update, I got a 128 gb flashdrive , put 50 gb's of pictures on it by right clicking the folder in My Pictures folder & copying files to it. so if I did same now since I've added pictures, would it copy only the new pics or everything ?? I don't need duplicates in same folder.
 
It would copy only new pictures if it asked you if you want to replace the ones already there,
and you answered properly "no".
 
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