Published at LXer:
Making an image copy of your system disk is a great way to create a backup. With the cost of portable USB drives at all time lows, you could keep a couple around for rotation purposes. If your main drive does crash, you could be back up and running in a matter of minutes. Now all that's left is making the actual image copy. There are lots of ways to accomplish this task, and we'll spell a few of them out to help you along.
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