Which software application published by PerForce has a feature/module/file named cxx? What is cxx?

The software application you're referring to is Helix Core, which is a version control system published by Perforce. The "cxx" feature/module typically refers to the support for C++ source code and related tools within Helix Core. In the context of Helix Core, "cxx" deals with C++ development, providing functionalities that facilitate C++ project management, versioning, and collaboration. It helps developers manage C++ source code effectively, integrate with development environments, and maintain version history. For more specific information regarding the features and functionalities of "cxx," you may want to refer to the Helix Core documentation or specific resources related to Perforce.