scp -r /path/to/local/source user@ssh.example.com:/path/to/remote/dest
scp /path/to/local/file user@ssh.example.com:/path/to/remote/dest
scp -r user@ssh.example.com:/path/to/remote/source /path/to/local/dest
scp user@ssh.example.com:/path/to/remote/file /path/to/local/dest