COM port setup

Hi, I'm hoping you could help me. I'm using CYGWIN to run some SMS tools and the tools config files need setting up to add the details of which com port I'm using. Basically I just need to know how I would go about creating the com4 object in /dev so that it does actually point at the com port a

RE: COM port setup

<[EMAIL PROTECTED] To: Paul Munden/UK/IBM@IBMGB, <[EMAIL PROTECTED]> ndns.org>cc: