What is the purpose of the USS Based file systems included with Common Services?

Products

• COMMON SERVICES FOR Z/OS

Issue/Introduction

Why does Common Services include the USS Based file systems?  Are they required or are they included for installation only? 

Environment

CA COMMON SERVICES FOR z/OS 14.1 & 15.0 - z/OS supported releases - 

Resolution

The USS Based file systems are included for J2Z (Java to z/OS) and Tomcat.  
They are included for support of SYSVIEW, VIEW, and Webviewer.  
They are NOT shared across a SYSPLEX but can be deployed on other LPARS. 
See the Common Services r15.0 documentation detailing the Deployment and Configuration of CCS USS-Based Services