[TUHS] Spell - was tmac: Move macro diagnostics away from `quotes'

Henry Bent henry.r.bent at gmail.com
Sat Nov 25 04:17:28 AEST 2017

On 24 November 2017 at 13:06, Nelson H. F. Beebe <beebe at math.utah.edu>

> P.S. In 1990, we filled a dumpster with 9-track tapes that we had to
> abandon because of our move to new hardware that lacked such a drive,
> and because our new disk system had insufficent disk space to preserve
> their contents.
> I have since regretted that decision many times, because a lot of
> stuff was lost forever.
> The maximum capacity of 6250-bpi 9-track tapes was about 100MB to
> 170MB.  A thousand such tapes would have needed just 100GB to 170GB,
> an amount of space that I can now buy in Utah for about US$4 (based on
> a local store offering of $94 for a 4TB USB-3 attached disk about the
> size of a paperback thriller).

Sure, but how much would 170GB of storage have cost in 1990?  And what
would have been the cost to mirror it, or to back it up on to a more modern
tape format?  Was that data really worth tens of thousands of dollars?

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