Как подключиться к SSH в mac os?

Конечно!
В терминале наберите ssh и нажмите Enter

usage: ssh [-1246AaCfGgKkMNnqsTtVvXxYy] [-b bind_address] [-c cipher_spec]

[-D [bind_address:]port] [-E log_file] [-e escape_char]

[-F configfile] [-I pkcs11] [-i identity_file]

[-L [bind_address:]port:host:hostport] [-l login_name] [-m mac_spec]

[-O ctl_cmd] [-o option] [-p port]

[-Q cipher | cipher-auth | mac | kex | key]

[-R [bind_address:]port:host:hostport] [-S ctl_path] [-W host:port]

[-w local_tun[:remote_tun]] [user@]hostname [command]

Простой пример

ssh root@127.0.0.1