It is neither recommended or frowned upon to continue to use a batch file in production. However, it is recognized that once in production unwanted batch file modifications can break a production system. If CmdLineWait() calls an executable, the production system is potentially more secure .
Documentation References in "Self-service Partitioning and Deployment". Documentation on configuring workflows and forms in SBM is in the Serena Business Manager SBM Composer Guide Documentation on configuring processes in Serena Release Automation is in the Serena Release Automation User's Guide