W dniu 12.10.2020 o 17:23, Ed Jaffe pisze:
On 10/12/2020 8:15 AM, Clark Morris wrote:
I would be astounded if Microsoft was running any of their business
today on other than Microsoft operating systems or Linux on x86 and
ARM hardware.
Microsoft has an IBM mainframe running z/OS. One of their guys comes
to SHARE. I saw him a while back in Orlando and just recently (Fort
Worth?).
To clear discussion:
I'm pretty sure Microsoft has some mainframe. At least for testing
purposes, i.e. for supporting mainframe migration. For the same reason
you may find non-IBM storage in IBM datacenter.
Of course that prove nothing except IT staff need some equipment to work on.
However it was open secret that Microsoft have been using AS/400 machine
for their internal needs, AFAIK it was accounting and HR. So, Microsoft
have been using AS/400 for their own needs.
BTW: First FTP servers in Microsoft were on some unix or linux. When it
became loud, Microsoft closed site and some time later they started
using Windows. It was in dark ages on commercial Internet.
BTW2: Nowadays they officially play with Linux, but IMHO this is
smokescreen.
Dot-net-core is claimed it can run code on Windows or Linux. Well I know
a lot of Windows installations running .net core, but none using Linux.
BTW3: I remember press article about mainframe switch-off in HP. It was
great gala.
AFAIK the mainframe was Amdahl machine with 600GB of dasd storage (or it
was database). So, another computer vendor using competitive technology.
BTW4: Almost all IT world use SAN equipment from Brocade/Broadcom.
Almost all companies use laptops with Windows. Almost all of you use
mobile device from China or Far East. Yes, including Apple.
BTW5: Vast majority of large banks use mainframe. That's something
obvious for me. However WHAT ABOUT THE REST? What about very few large
banks NOT using mainframe? What are they using? I believe it is not
Windows. But what? HP-Compaq-DEC VMS?
--
Radoslaw Skorupka
Lodz, Poland
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