On Fri, 18 May 2012 14:21:49 -0400, Anne & Lynn Wheeler wrote: > >In the mid-70s, one of the people in the vm370/cms development group >significantly rewrote and developed full function OS r/w filesystem >(real os vtoc, pds directory, etc.) function in CMS (joke that the ><100k bytes was more efficient os/360 similiation than the 8+mbytes that >had been done in MVS for os/360 simulation). > Of course that was going the wrong way. In the long term, support in MVS for CMS-style FBA DASD would have been of greater value.
>Eventually, Endicott managed to save the vm370 product mission, but they >had to reconstitute a development group from scratch. > And somewhere in there, there was something like VM/XA/SF (System Facility), intended to allow virtual machines for development and testing, but not to support emigration of the OS workload as happened in the VSCR crisis. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
