upload, download file with scp
upload file to server from client
$ scp /Users/home/TARGET_FILE USER_ID@SERVER_ADDRESS:TARGET_FILE
download file to client from server
$ scp USER_ID@SERVER_ADDRESS:TARGET_FILE /Users/home/TARGET_FILE
$ scp /Users/home/TARGET_FILE USER_ID@SERVER_ADDRESS:TARGET_FILE
$ scp USER_ID@SERVER_ADDRESS:TARGET_FILE /Users/home/TARGET_FILE