This file contains embedded subdirectories.  Unzip with the -d option in
the subdirectory \uupcb.

Here are the subdirectories used:
\uupcb\admin\ <--- UUCICO logs are created here
\uupcb\blts\ <--- Sample bulletins for your system
\uupcb\docs\ <--- uuPCB Documentation
\uupcb\system\ <--- location for static and systems file for UUCICO.