IBM 360 OS Release Dates free download

File name 360_OS_Release_Dates.txt

IBM 360 Operating Systems Release History 20091006 18:08 ========================================= OS/360 ====== Release 1 PCP Pre-release in 11/1965 Announce: 12/1965 Availability: 03/31/1966 14 components, 1152 modules, 400359 source statements Release 2 Availability: 06/66 14 components Release 4/5 Announce: 08/18/1966 Availability: 08/66 17 components Release 6 MFT Announce: 04/29/1966 Availability: 10/66 19 components Release 8 Announce: Availability: 12/07/1966 22 components Release 9.5 Availability 02/1967 29 components Release 11 Availability: 05/67 34 components Release 12 MVT, source resequenced Announce: Availability: 08/08/1967 Release 13 Announce: Availability: 08/1967 Manuals: 09/1967 Release 14 Availability 01/1968 35 components Release 15/16 MFT-II, VTOC positioning Announce: Availability: 08/30/1968 40 components, 3819 modules, 1740364 source statements (r16) Manuals: 05/1968 Release 17 Announce: Availability: 03/1969 44 components Manuals: 11/1968 Release 18.0 SMF for MVT Announce: 07/1969 Availability: 09/1969 >48 components Manuals: 11/1969 Release 18.6 Announce: 10/1969 Availability: Release 19.0 Availability: 03/1970 >50 components Manuals: 06/1970 Release 19.1 SMF for MFT, MFT Attach, 1285/87/88 support Announce: 06/01/1970 Availability: 08/05/1970 Release 19.6 Update (PTF) release Announce: 08/05/1970 Availability: Release 20.0 Availability: 09/1970 >53 components Manuals: 01/1971 Release 20.1 TSO Announce: 02/1971 Availability: Manuals: 03/1971, 06/1971 Release 20.6 Update (PTF) release Announce: Availability: Manuals: 09/1971 Release 21.0 Announce: Availability: Manuals: 03/1972 Release 21.6 Manuals: 08/1972 Release 21.7 Manuals: 04/1973 Release 21.8 Announce: 08/1972 Availability: Manuals: 08/1974 DOS/360 ======= Release 6 Announce: Availability: 12/7/1966 Release 20 Manuals: 04/1969 Release 21 Manuals: 11/1969 Release 24 Manuals: 10/1970 Release 28 DOS/VS, CRT console (360/125), IBM Boeblingen Announce: 1973 Availability: Release 29 VSAM, 3340 support Announce: 1974 Availability: BOS/360 ======= Release 17 Manuals: 07/1968 ======= Sources ======= Lehman, "Program Evolution, Processes of Software Change" pg. 45 chart of all releases 1-20 and their size http://d2-enterprises.org/f4.htm In the book "IBM's 360 and Early 370 Systems" I found the following P-letters related to DOS and OS360. The numbers (84, 123 etc) refers to the footnote numbers in the book. 84 IBM Programming Announcement, 7 december 1966: System/360 Disk Operating System, System Release 6, Letter P66-111 123 IBM Programming Announcement, 31 March 1966: IBM Operating System/360 (Primary Control Program), Letter P66-22 124 IBM Programming Announcement, 29 A