How Does SSH Work?

SSH is a protocol that provides secure communication between two computers. It is one of the most popular and widely used protocols in the world.

Through SSH, you can log into a remote computer and execute commands just as if you were sitting in front of it. You can also transfer files from one computer to another by using this protocol.

Linux or Mac users don’t need anything special to use SSH connections. Windows users will, though, because they can’t use the OS’s default connection methods for it.

If you’re on a Mac, Linux or other Unix-based operating system, follow the instructions below.

ssh {user}@{host}

Entering the ssh-key command into your terminal instructs your system that you want to open an encrypted secure shell connection to the account {user}. You may want to access the root user—or basically synonymous with the system administrator. {host} refers to the computer you want to access. Enter in an IP Address (e.g. or a domain name (e.g.

If you enter the correct password for a requested account, you will be prompted to do so. After hitting enter, nothing will show on the screen. However, your password is being transmitted internally in order to verify your identity. To sign in, type your password and hit enter. If you were correct, you will be greeted with a remote terminal window.

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