Consider the following situation. You are at your friend’s place with your laptop and you want to access your home computer to do something. May be you want to start a download or you want to run a program right away. What would you do in this situation? Will you go all the way to your house just to start a download? You already have a laptop at your disposal, so you should be able to use it somehow. You can just connect to your home computer through internet. But what if someone else hacks you while you do that? This is where SSH comes in.
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