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Chapter 6. Key Management and Agents > Multiple Identities
6.4. Multiple Identities
Until now, we've assumed you have a single SSH identity that uniquely identifies you to an SSH server. You do have a default identity—our earlier ssh-add examples operated on it—but you may create as many other identities as you like.
Why use several identities? After all, with a single SSH identity, you can connect to remote machines with a single passphrase. That's very simple and convenient. In fact, most people can survive perfectly well with just one identity. Multiple identities have important uses, however:
