This book constitutes the refereed proceedings of the 8th International Symposium on System Configuration Management, SCM-8, held in conjunction with ECOOP'98 in Brussels, Belgium, in July 1998. The volume presents 17 revised full papers carefully reviewed and selected for presentation; also included is a tutorial lecture; approximately half of the papers come from industry. The book is divided into sections on industrial experience, experimental systems, product data management and system configuration management, formal approaches, cooperative systems, and Web-based applications.