\c Z:\sysosd>plink
\c Plink: command-line connection utility
-\c Release 0.65
+\c Release 0.66
\c Usage: plink [options] [user@]host [command]
\c ("host" can also be a PuTTY saved session name)
\c Options:
\c -N don't start a shell/command (SSH-2 only)
\c -nc host:port
\c open tunnel in place of session (SSH-2 only)
+\c -shareexists
+\c test whether a connection-sharing upstream exists
Once this works, you are ready to use Plink.