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GC28-0601-0
Systems OS /VS2 Release 1 Guide
VS2 Release 1
Preface
This publication describes special considerations, status,
and ordering procedures for the current release of OS/VS2.
The Release Guide provides installation managers, sys-
tem programmers, and IBM Field Engineering personnel with
information useful in planning for implementation of the cur-
rent release.
This publication has three parts:
1. Programming considerations for generating and running
this release of OS/VS2.
2. Module information consisting of a list of modules in
the system and a list showing their status.
3. Ordering and distribution procedures for the current
release, including program material lists and docu-
mentation support.
For a functional description of OS/VS2 Release 1 and
the differences between OS/VS2 and OS/MVT, see the OS/VS2
Planning and Use Guide, GC28-0600.
First Edition (September, 1972)
This edition applies to release 1 of OS/VS2 and to all
subsequent releases until otherwise indicated in new editions
or Technical Newsletters. Changes are continually made to
the information herein~ before using this publication in
connection with the operation of IBM systems, consult the
latest IBM System/36 0 and System/370 Bibliography, Order No.
GA22-6822, and the current SRL Newsletter, Order No. GN20-0360,
for the editions that are appl~cable and current.
Requests for copies of IBM publications should be made to
your IBM representative or to the IBM branch office serving
your locality.
A form for readers i comments is provided at the back of
this publication. If the form has been removed, comments may
be addressed to IBM Corporation, Publications Development,
Department D58, Building 706-2, PO Box 390, Poughkeepsie, N.Y.
12602. Comments become the property of IBM.
C Copyright International Business Machines Corporation 1972
Memorandum to: Users of OS/VS2
Subject: Release 1.0
This memorandum announces the availability of Release 1.0 of the
OS/VS2 System Control Program. Orders may now be submitted.
As an extension to OS/MVT, VS2 provides support of a 16 million byte
virtual storage. CPU support will be coincident with first shipment
of these CPUs as follows:
Processor SUEEort Date
145 now
158 4/73
155 II 4/73
168 8/73
165 II 12/73
Listed below are highlights of the enhanced support now available. For
a detailed description of function, advantages, and compatibility con-
siderations, see the OS/VS2 Planning and Use Guide, GC28-0600.