PuTTY is an open-source SSH client for Windows that lets you initiate interactive command-line sessions with Romulus and Remus, the twin Amherst Unix servers. How to Get PuTTYPuTTY is free software. If you are on the Amherst network you can copy it from Winsoft to your Windows computer. Note that PuTTY doesn't "install" as do most Windows applications. Rather, it is a self-contained executable named putty.exe. All you need to is copy it to your Windows desktop and double-click to run it.