[cctalk] Re: mainframe vs mini

[Paul Koning via cctalk]

> On Mar 10, 2023, at 9:13 PM, Gavin Scott via cctalk <cctalk@classiccmp.org> 
> wrote:
> 
> On Fri, Mar 10, 2023 at 7:01 PM Jon Elson via cctalk
> <cctalk@classiccmp.org> wrote:
>> On 3/10/23 13:00, Paul Koning via cctalk wrote:
> 
>>> You mean DOS/360 as opposed to OS/360?
> 
>> MFT was Multiprogramming with a Fixed number of Tasks, MVT
>> was Multiprogramming with a Variable number of Tasks.
> 
> And all the OS/360 variants were so late that they introduced three
> other operating systems as a stopgap to allow IBM to actually ship
> systems that were usable by customers. First came Basic Operating
> System/360 (BOS/360), which was pretty much cards in and out (plus
> printer), 

I thought it was called BCP (Basic Control Program)?  I just saw it mentioned 
once or twice, never used it though I did come across an executable file on 
cards -- the 360/44 "Emulator" (for the missing SS instructions).

        paul