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Secure FTP (sftp) implements a file transfer protocol using ssh/rsh as the transport mechanism. When the client is invoked, a remote shell is spawned and the server is run. sftp is mainly useful over a secure ssh session since passwords are not exposed. It also has the advantage that no root access is required, since the server runs as a user process.

Secure FTP (sftp) implements a file transfer protocol using ssh/rsh as the transport mechanism. When the client is invoked, a remote shell is spawned and the server is run. sftp is mainly useful over a secure ssh session since passwords are not exposed. It also has the advantage that no root access is required, since the server runs as a user process.