Thanks... I wouldn't have guessed that.

On 4/23/2021 2:36 PM, Joe Monk wrote:
That's the symbol for a removable disc pack.

Joe

On Fri, Apr 23, 2021, 16:29 Tom Brennan <[email protected]> wrote:

Oh... maybe a drum?

At first I was thinking of that old IBM robot that grabbed spools of
very wide tape and unrolled them to read.

On 4/23/2021 2:23 PM, Tom Brennan wrote:
I see the normal tape and disk icons at the upper right, but what's that
donut shaped thing next to them?

On 4/23/2021 1:37 PM, Lizette Koehler wrote:
How about here

http://www.lbdsoftware.com/os360.jpg



-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On
Behalf Of PINION, RICHARD W.
Sent: Friday, April 23, 2021 1:30 PM
To: [email protected]
Subject: Re: Diagram of MVS Control Blocks

I did Google, but I didn't find the old spaghetti diagram of MVS
control blocks.

-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On
Behalf Of Lizette Koehler
Sent: Friday, April 23, 2021 4:27 PM
To: [email protected]
Subject: Re: Diagram of MVS Control Blocks

[External Email. Exercise caution when clicking links or opening
attachments.]

Should be able to Google (or other favorite browser search engine)

Very common on the internet

So any specific control blocks?  Or just general diagram



Lizette

-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On
Behalf Of Rupert Reynolds
Sent: Friday, April 23, 2021 1:22 PM
To: [email protected]
Subject: Re: Diagram of MVS Control Blocks

I have been looking for mine. I was given a map by IMI Computing.  I
think it got lost during a stressful house move!

Roops

On Fri., Apr. 23, 2021, 20:43 PINION, RICHARD W.,
<[email protected]>
wrote:

Many years ago, 1982, I took my first MVS class, MVS Structure and
Logic.
One of
the first handouts our class was given was a spaghetti diagram of MVS
control blocks.
Unfortunately, I threw mine away in 2016, when I thought my system
programming days were over.

Would anyone happen to have that diagram?  If you do, please send it
to my email address of rpinion at firsthorizon.com  Thanks in advance.

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