Secure copy. Copy files between hosts using Secure Copy Protocol over SSH. More information: https://man.openbsd.org/scp.
scp path/to/local_file remote_host:path/to/remote_file
scp -P port path/to/local_file remote_host:path/to/remote_file
scp remote_host:path/to/remote_file path/to/local_directory
scp -r remote_host:path/to/remote_directory path/to/local_directory
scp -3 host1:path/to/remote_file host2:path/to/remote_directory
scp path/to/local_file remote_username@remote_host:path/to/remote_directory
scp -i ~/.ssh/private_key path/to/local_file remote_host:path/to/remote_file
scp -J proxy_username@proxy_host path/to/local_file remote_host:path/to/remote_file