>
><SNIP>
>But SDB came too late: if it had been present in rudimentary form,
>supplying a valid but nonoptimal BLKSIZE, in OS/360 release 1, coding
>BLKSIZE could always have been optional, and much of the rough
>transition to present techniques could have been avoided.
><SNIP>

It's amazing how hard it is to get shops to implement obvious
improvements.   While CoBOL has BLKSIZE=0, lots of people don't use
AVGREC nor IF-THEN-ELSE-ENDIF even today.

We used to calculate out necessary SORTWORK for count-key devices. Now
we just throw more DASD at the job and don't waste our time trying to
be close.   But we haven't used the tools provided enough to make the
old ways rare.

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