Even earlier, in November, 1966, https://bitsavers.org/pdf/ibm/360/dos/C24-5036-1_DOS_System_Control_and_System_Service_Programs_Nov1966.pdf
Bottom of page 53 references VTOCs -- Tom Marchant On Fri, 24 May 2024 17:21:43 +0000, Seymour J Metz <[email protected]> wrote: >Nope. ><http://bitsavers.org/pdf/ibm/360/dos/C24-3427-3_Disk_Operating_System_Data_Management_Concepts_Feb68.pdf> > >The fact had DLAB and DLBL statements does not mean that the was no VTOC. > >-- >Shmuel (Seymour J.) Metz >http://msoon.gmu.edu/~smetz3 >עַם יִשְׂרָאֵל חַי >נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר > >________________________________________ >From: IBM Mainframe Discussion List <[email protected]> on behalf of >Lennie Bradshaw <[email protected]> >Sent: Friday, May 24, 2024 12:53 PM >To: [email protected] >Subject: Re: VTOCs vs. catalogs > >VTOCs were introduced in a release of DOS/VS after the one we were using. We >definitely used //DLBL statement to specify disk extents. >Lennie ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
