Novell knows how important networking is to good business. The Attachmate subsidiary develops network connectivity software that links desktop computers to corporate networks, integrating directories, storage systems, printers, servers, and databases. Novell also provides a version of the Linux operating system tailored for businesses (SUSE), network management software (ZENworks), collaborative tools (GroupWise), and network security products (Sentinel). Its services include consulting, support, and training. The company sells directly and through distributors and systems integrators to a global clientele.