Or SUSE, or zVM and its gazillion guests
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Mike Schwab Sent: Monday, July 24, 2023 3:44 PM To: [email protected] Subject: Re: Ars Technica: The IBM mainframe: How it runs and why it survives It did mention Redhat. On Mon, Jul 24, 2023, 13:03 Rick Troth <[email protected]> wrote: > Good article. > As often happens, the author didn't mention Linux for Z ... nor z/VM, > VSE, TPF. > Common public misconception is that Z is exclusively z/OS. > > Don't misunderstand: this is no slam on z/OS. I'm a fan! That's the one > place I'd put my heavy-lifting database and similar "system of record" > workloads. > But Z is hardware and the other op sys make excellent use of that > superior hardware. I'm a fan of Linux and run it on several kinds of > hardware. The best Linux performance, and the most reliable operation, > is consistently on Z. > > The article speaks much about COBOL. Sadly, I only know >one< university > professor teaching COBOL. (And his students are landing high-dollar jobs > out of the gate.) > COBOL benefits from inter-language workings. Similarly, z/OS benefits > from inter-opsys workings. And often those other op sys are on the same > class of hardware. > Calling COBOL to/from languages like PL/I, C, even Python or Rexx, makes > fabulous long-term use of all that lovely COBOL code "out there". > Where the Ars Technica article telling *that* story? (Credit where > credit due: this piece *did* discuss XML and JSON. Good.) > > Sincere thanks Michael for sharing the article. > > -- R; <>< > > > On 7/24/23 13:33, Bill Johnson wrote: > > Say it isn’t so! lol > > > > It’s estimated that there are 10,000 mainframes in use today. They’re > used almost exclusively by the largest companies in the world, including > two-thirds of Fortune 500 companies, 45 of the world’s top 50 banks, eight > of the top 10 insurers, seven of the top 10 global retailers, and eight of > the top 10 telecommunications companies. And most of those mainframes come > from IBM. > > > > > > Sent from Yahoo Mail for iPhone > > > > > > On Monday, July 24, 2023, 1:21 PM, Bob Bridges <[email protected]> > wrote: > > > > Hey, that's fun! Kind of an answer to "the mainframe is old and > decrepit and can't survive much longer in the face of newer and [therefore] > far better technologies". > > > > --- > > Bob Bridges, [email protected], cell 336 382-7313 > > > > /* As a father, I have a vested interest in seeing my children do well > in school. If they don't, they won't graduate, and will probably wind up > living in my house until they are thirty years old. This will interfere > with my plan to reach retirement age without killing another human being. > -W Bruce Cameron, _Study Habits_ (2001) */ > > > > > > -----Original Message----- > > From: IBM Mainframe Discussion List <[email protected]> On > Behalf Of Schmitt, Michael > > Sent: Monday, July 24, 2023 12:43 > > > > Ars Technica published a deep-dive explainer of modern IBM mainframes: > > > > > https://arstechnica.com/information-technology/2023/07/the-ibm-mainframe-how-it-runs-and-why-it-survives/ > > > > I’d quibble with the application server topic that talks about CICS with > no mention of IMS/TM. CICS is to IMS as Windows 3.1 is to Windows 10. 😊 > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > > > > > > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
