Connect via SSH, and download files and folders

1- Connection via SSH(Secure Shell) using pem(Privacy Enhanced Mail is a Base64 encoded DER certificate.) file

ssh -l ubuntu -i ukgoodbye.pem ukgoodbye.co.uk

-l to indicate your user name -i to indicare you pem file
2 To download a file using scp:

scp  -i ukgoodbye.pem ubuntu@ukgoodbye.co.uk:/home/ubuntu/project/backup/13072019_backup.tar.gz /Users/macuser1/ukgoodbyeonline

3 To download a folders and files , you will need to add -r

scp -r -i ukgoodbye.pem ubuntu@ukgoodbye.co.uk:/home/ubuntu/project/ukgoodbye_web /Users/macuser1/ukgoodbyeonline/online/

Note:
Replace this with you details
ubuntu@ukgoodbye.co.uk by username@yourdomain
/home/ubuntu/project/backup/13072019_backup.tar.gz by your remote folder and file to download