[TUHS] What was your "Aha, Unix!" moment?

[Lawrence Stewart]

With JCL it is as easy to read one tape as it is to read 1000 tapes.

> On 2019, Oct 13, at 8:36 PM, Jon Forrest <nobozo at gmail.com> wrote:
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> On 10/13/2019 2:45 PM, Steve Johnson wrote:
> 
>> I did have the opportunity in the early years to demonstrate Unix to several dozen people, mostly users of the (IBM) mainframe computers and the GE/Honeywell Time Sharing System.  The sequence that initiated gasps, confusion, and ultimately joy was:
>> %  echo hello joe > hijoe
>> % cat hijoe
>> hello joe
> 
> A technically equivalent but more dramatic version of this
> that I used to use back then was a shell script that would
> prompt for the name of a file to display, and then display the
> file whose name the user entered.
> 
> This would make steam come out of the ears of the IBM mainframe
> people because it wasn't possible to do that on the IBM mainframe
> in use at the time.
> 
> Jon
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