On Wed, 23 May 2018 11:05:29 -0700, Gerhard Adam wrote:

>I think the reference may have been to the older SMP CDS which played the role 
>of the current CSI
> 
The rumor I heard (I wasn't there) is that, prior to VSAM, SMP used a PDS 
directory
as a makeshift data base.  Names of members (which needn't actually exist) were
limited to 7 bytes in order that the eighth could be used for flags.

-- gil

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