Computer programs for networking, namely communications and networking software for connecting computer users across networks; computer software which provides networking functionality, emulation of other operating systems, interconnection of diverse systems, file transfer between diverse systems, printer access and use of printers on diverse systems and across different types of networks; computer software to view files, run network software tools and access network services across diverse systems, hardware and operating environments; computer system software development tools; computer software development tools and programs for use in designing and implementing programs for access to and for use in connection with local area networks, enterprise networks, intranets, extranets, corporate information networks, wide area networks and globally interconnected computer networks linked by common or diverse protocols; programming tools for use in developing, maintaining, enhancing and operating computer programs and computer systems, and utilities programs, and user manuals sold therewith as a unit