Despite its status, CP-67 was used enough that several companies offered time-sharing services on it.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [[email protected]] on behalf of Dave Jones [[email protected]] Sent: Tuesday, August 2, 2022 1:00 PM To: [email protected] Subject: Re: Celebrating 50 Years of Virtualization Innovation For sure, CP-67 (and before that even, CP-40) is a direct ancestor of z/VM. It was an IBM Research project and IBM only made it available to a small set of key customers. We celebrate today as VM's anniversary because that's when IBM announced VM/370 as an official supported product that anyone could order simply by calling up their friendly, helpful IBM sales rep. See: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.vm.ibm.com%2Fhistory%2Ftimeline.html&data=05%7C01%7Csmetz3%40gmu.edu%7C50742c1885344eec143e08da74a8a1f8%7C9e857255df574c47a0c00546460380cb%7C0%7C0%7C637950564925885382%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=cuvUX6jFFP98%2Fm90MciZcuRWQu96ZZc%2FxYKamM1rJYQ%3D&reserved=0 DJ ---------------------------------------------------------------------- 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
