Here's how to use the secure copy command, with SSH key authentication, for a more secure way to copy files to your remote Linux servers.

Run the PuTTY SSH (Secure Shell) program when you need to establish a secure, encrypted network connection to a remote Unix/Linux computer storing files you require. Note that the PuTTY program by ...

Secure Copy is a UNIX standard used to transfer files from one computer to another. He's how to use the function in macOS, all via the Terminal window.