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Re: [edlug] VM : more details

Philip Nelson wrote:

The other "mainframe" operating system is (was) MVS, renamed to OS/390 and now known as z/OS. I work with this every day and still think there is no text editor in the world to match the ISPF editor found on this platform !!!

I know of at least one venerable Edinburgh financial toying with the idea of multiple Linux instances on an S/390 LPAR. In fact, their techies may have done it somewhat unofficially. (The JES2 queues didn't run last night Sir! Why not?...Ahem).

The advantages would be enormous - a script to create a new server, rather than the fannying about with Compaq Proliants, network speeds of gazillions Mbps, etc etc.

I'm principally a DBA working with DB2 (all flavours). There are four "flavours" of DB2 : DB2 for z/OS (sometimes called "DB2 Classic"), DB2 for VM (previously known as SQL/DS), DB2 for iSeries (the former AS/400 and S/36 minis) and DB2 for Linux, UNIX and Windows. DB2 on Linux is supported on a whole range of hardware architectures (zSeries, IA-32, IA-64, AMD64, iSeries, pSeries at least).

What happened to UDB? Was it one of those IBM renaming palavers? Oh, and you forgot OS/2!

If anyone is interested in a good description of VM and how it works with Linux then I'd suggest the book "Linux on the Mainframe" -



Phil Nelson

On Friday 12 March 2004 11:12, Catriona & Anand wrote:

On Friday 12 March 2004 10:20, Gordon Guthrie, BTP, BT, SE wrote:

So back in the day when I was a mainframe programme my target
architecture was VM/MVS. However the support machines were a big
Honeywell Multics and the confusingly named VMS on the Vax platform...


"When you were a mainframe programme"? Does that mean you have now been
ported to Linux on a PC. Up to now I had thought that all list subscribers
were human. Equal rights for AIs!

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