That is my recollection, too. MVS is when SVC99 appeared. Recently, I was looking at the source code for IEHMOVE to allow IEHMOVE to run under Hercules, and it uses DAIR.
I think RESTORE was mentioned too, but I am not 100%. I didn't attempt to find out any more. Clem Clarke On Tue, May 28, 2024 at 10:44 AM Tony Harminc <t...@harminc.net> wrote: > On Mon, 27 May 2024 at 19:50, Paul Gilmartin < > 0000042bfe9c879d-dmarc-requ...@listserv.ua.edu> wrote: > > > On Mon, 27 May 2024 23:21:43 +0000, Seymour J Metz wrote: > > > > >Restore? > > > > > >My recollection is that DIRF came before TSO. Besides, SVC 99 *IS* > > Allocation. > > > > > I k ow SVC 99 *IS* Allocation. That's why I thought of it. > > TSO? > > > > Dynamic allocation arrived with TSO, and on MVT was supported in TSO only, > iirc. I'm pretty sure there was no batch TSO in MVT, but not sure if that > came with SVS or (more likely) with MVS. > > I am also reasonably sure that SVC 99 was not a supported interface on MVT. > Rather, the Dynamic Allocation Interface Routine (IKJDAIR) was the > documented interface, and under the covers it used a quite different > version of SVC 99 to do most of the work. > > But I digress... > > Tony H. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
