SFTP (Secure File Transfer Protocol)
SSH is used not only for remote login but also for file transfer in a secure way. There are two protocols to transfer files with SSH – SCP (Secure Copy Protocol) and SFTP (Secure File Transfer Protocol). In this section, we'll explain SFTP.
SFTP session and sub-commands
Unlike with SCP, after running the SFTP command, the SFTP session continues until you exit the session. Once the SFTP session is established, you can run sub-commands prepared for SFTP.
Establish SFTP session
There are two approaches to establishing an SFTP session – 1) without the SSH config file, and 2) with the SSH config file. The syntax is almost the same as the one of SSH. You can simply replace ssh with sftp.
Without the SSH config file, you need to specify the private key file path, user name, and IP address of the remote server.
sftp -i ~/.ssh/id_rsa ubuntu@54.169.91.239
With the SSH config file, the command is much simpler. Just type ssh and the SSH host name in your config file (the example below uses ssh_test a
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