On Fri, 15 Dec 2017, Lyndon Nerenberg wrote:

>> A bit OT, I know, but how close would S/370 and Apple's iWatch be?
>
> ~25 MHz CPU on the 3[67]0?  I/O channel controller bandwidth to the 
> peripherals in low megabytes/s?  16 MB of core.
>
> Do you think your iWatch could support 200 VM/370 APL, or general MTS, 
> terminal sessions? :-)

Touché :-)  I was just tickled by the OP's reference to an OS fitting 
inside a watch, and immediately thought of the iWatch (well, it runs iOS).

-- 
Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will suffer."