Reading Books Between Operating Systems With Bookreader, you can read books that are located on other systems: * Between Tru64 UNIX systems * From a Tru64 UNIX system to an OpenVMS system * Between OpenVMS systems * From an OpenVMS system to a Tru64 UNIX system The system that contains the books you want to read is called the server system. The system that is running Bookreader is called the client system.