PuTTY Portable is a Free Portable SSH Client based on the popular PuTTY Telnet/SSH Client. This tool can be used to securely connect to your remote Unix or Linux boxes from Windows. Essentially enabling it's user to remotely work from the machine as if they were sitting at it's terminal. PuTTY utilizes the xterm terminal emulator to emulate the remote connection. Now you can Telnet while on the move.