Replace username with the username you'd use to log into OS X and remote-address with the IP address given to you in the Sharing pane. It doesn't execute multiple statements, and it isn't necessary to execute SQLPlus control commands like 'quit'. If there are arguments after the command_string, the first argument is assigned to $0 and any remaining arguments are assigned to the positional parameters.
You can specify multiple commands and separate them with ' ' or '&'. Mobaxterm execute command after login I want the tail command to passed its data to an awk script to parse the log information and print it out to screen.