...hepdb/expdb.
The exact server setup at CERN is described on page gif.
...clients)
The above names are in fact arbitrary and are driven by a configuration file. In addition, the server input queue and client output queue are not necessarily the same, depending on whether the server is a master or slave.
...variable
e.g. using the SETENV command on VM/CMS systems, setting a global symbol on VAX/VMS systems, or setting a shell variable on Unix systems
...time.
By default, only objects inserted prior to the local time as returned by the KERNLIB routine DATIME will be visible via CDUSE or CDUSEM.

Janne Saarela
Tue May 16 10:31:09 METDST 1995