The TS RBYE binary starts Zork from CFS; MADADV SAVE. The assembly
info says the source file was AR1: CFS; ZORK 2. Tape backup records
show this archive file was updated on 1979-02-13, which is shortly
before the TS RBYE timestamp.
As a convenience to users, TS ZORK is linked to RBYE from SYS1 on the
assumption users will probably play the newest Zork. The older SYS2;
TS ZORK which starts the MADMAN; MADADV SAVE file is renamed to OZORK.
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