OS/VS2 R1 (SVS) had a single 16 MiB address space, but it had swapping for TSO sessions.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List <IBM-MAIN@listserv.ua.edu> on behalf of Paul Gilmartin <0000000433f07816-dmarc-requ...@listserv.ua.edu> Sent: Tuesday, April 3, 2018 2:52 PM To: IBM-MAIN@listserv.ua.edu Subject: VS History (was: A&M, 470V/6, etc. (was: Software Delivery...)) On Tue, 3 Apr 2018 13:31:02 -0500, Tom Marchant wrote: > >... OS/VS1 and >OS/VS2 release 1 were both introduced in 1972 and OS/VS2 release 2 (MVS) >in 1973, though I don't know when it actually shipped. What was OS/VS2 without MVS? To me: OS/VS1 means a single large (up to 24-bit address limit) address space. MVS means multiple address spaces, (each up to 24-bit address limit). How does OS/VS2 before MVS fit in this picture? >See >http://secure-web.cisco.com/1CPXwUzdWTriuHSjWdClL9LNCoGye1rOJKW5HUEpuE2jx0XXIPo5mhTzWEoyt-_ESN6h_sP9g9oz5K9w_J8gIcs4nSVWD0vAQL0ZMFpG2U9LCFlaUnYvfwXvFEe22VUotgNxeAYmL0sL_1NUDOcAqt4eviGr4XfLbK2zRDo1jDnExM97wefqroiN7KEqZaoXHcgcHYmVTy2VCvL_ZsoZe17dFoPygZwn9BA1sZ_WJdP_Y-qbTnwdGm30bbTd96BlknRqCTpb6KCPd6G17R4Y1cJ9cmGRi0TS8oUorTnJ-6YH_-fLEFC_9wU_s3prlGxaaypHVfvTTZwfLuvPKW8lgX2JxyOLz0ky46AmFWb2BxYpv-2x828Jj0EUOkgAw6J-mi0KkcclcTFCsgwBpMfXjlwPRdGE7z3zH5TslSx2gzC2a5Wnp-2n0-EVw9FVAYQ4-/http%3A%2F%2Fbitsavers.trailing-edge.com%2Fpdf%2Fibm%2F370%2FOS_VS2%2FRelease_2_1973%2FGC28-0667-1_OS_VS2_Planning_Guide_for_Release_2_Nov73.pdf -- gil ---------------------------------------------------------------------- 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
