CA Panvalet is a library and source code management system designed for enterprise organizations. It enables users to maintain business applications by offering a single repository that provides visibility and control of programming environments, and also establishes, maintains, and protects a control library of source programs, Job Control Language (JCL), and card-image data files. Features include immediate access for maintenance and processing, effective control and protection against theft, disaster or other loss, enabling reliable change management and improving machine performance, providing a central library on a direct access storage device (DASD), automating resource-intensive manual processes, streamlining application development, and protection of data and programs. sh