DFHTBS
DFHTBS is a driver program that directs the creation or deletion of TCTTEs (terminal control table entries). It requests services of builder programs which actually process the TCTEE.
Hints
High activity in DFHTBS may be caused by one of the following:
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warm start, cold start, emergency restart
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autoinstall logon or logoff
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CEDA INSTALL for VTAM terminal resources
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transaction routing for shippable TCTTEs
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shutdown
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non-immediate shutdown
Autoinstalled terminals are deleted if AIRDELAY is non-zero.