(USENIX Association, Berkeley, CA, www.usenix.org) Known officially as the Advanced Computing Systems Association, it is a non-profit, membership group of engineers, scientists, technicians and systems professionals founded in 1975. USENIX sponsors workshops and conferences, student programs and awards. The System Administrators Guild (SAGE), which is a high-profile, technical sub-group of USENIX members, is devoted to the professional and technical development of system administrators.