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From: Stephen Fuld <sfuld@alumni.cmu.edu.invalid>
Newsgroups: comp.arch
Subject: Re: Address bits again, Article on new mainframe use
Date: Mon, 2 Sep 2024 09:35:20 -0700
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On 9/2/2024 3:11 AM, John Levine wrote:

snip

 > Also don't forget that back in that era everyone who had disks used
 > overlays.

Not everyone.  While you could do overlays on the 1108 and successors, 
it was infrequent.  But using multiple banks was easy and convenient. 
An nice advantage of banking is that you could put shared libraries in 
their own banks, so you didn't have to worry about figuring out how to 
address them from the main program (as well as reducing the size of the 
main program banks).  But I agree that nothing beats the simplicity of 
large linear address spaces.


-- 
  - Stephen Fuld
(e-mail address disguised to prevent spam)