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).
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" -
http://www.amazon.co.uk/exec/obidos/ASIN/0131014153/qid=1079126201/sr=1-2/ ref=sr_1_0_2/026-6702578-9086019#product-details
HTH
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: -----------------8<-------------------------------
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...
Gordon
-----------------8<-------------------------------- "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!
Anand
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