You can run a series of Linux commands to copy multiple files to a folder or copy a single file to multiple folders, but you can save time and trouble by using xargs, loops and scripts.

With the SCP command, you can copy files to and from a remote Linux server through an encrypted SSH tunnel. SEE: How to View Your SSH Keys in Linux, macOS, and Windows.

Either of these commands let you securely transfer files between computers, but there are good reasons to know them both.

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.