SCP (Secure Copy)
Intro
scp (secure copy) lets you securely copy files to remote server.
It works similarly to cp command.
It's based on ssh.
Usage
Here are the the most basic usage.
scp file.txt [email protected]:Desktop/file.txt
scp -r folder [email protected]:Desktop/folder
For more options, read How to Use SCP Command to Securely Transfer Files.