March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
Content preview from Introduction to the New Mainframe: z/VSE Basics
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© Copyright IBM Corp. 2007. All rights reserved. 419
Appendix A. A brief look at IBM
mainframe history
This appendix discusses the development of the IBM mainframe from 1964 to
the present, as shown in Figure A-1.
Figure A-1 IBM mainframe time line
On April 7, 1964 IBM introduced System/360, a family of five increasingly
powerful computers that ran the same operating system and could use the same
44 peripheral devices. Along with S/360 were also born the I/O subsystem
A
S/360 S/370
S/370XA - 31 bits
ESA/390
z/Architecture - 64 bits
DOS/360
DOS/VS
DOS/VSE VSE/SP
VSE/ESA z/VSE
MVT
MVS - VTAM
MVS/XA
MVS/ESA
OS/390
z/OS
z/VM
Linux
CICS VM
DB2
HW
SW
1964 2005
1970 1980
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