--- -
----- - - ---
----
- - --- - - - ---
------ --_.- Technical Newsletter IBM Virtual Machine Facility/370: This Newsletter No. GN25-0840
Date Aprii 1, 1981
Base Publication No. GC20-1821-3 File No. S370-34 (VM/370
Release 6 PLC 17) Prerequisite Newsletters! GN25-0495 Supplements GN25-0773
Operating Systems in a Virtual Machine
© Copyright IBM Corp. 1976, 1977, 1979, 1981
This Technical Newsletter contains replacement pages for in virtual 8achine to support Release 6 PLC IBM virtual Machine Facility/370. !!1LJ12 17 of
Before inserting any of the attached pages into the read carefullI the instructions on this
cover. They indicate when and how you should insert pages. Pages to
be Removed Tltle;-Edition Notice
Preface iii-iv
contents v-vi Summary of Amendments ix-xii 29-30 51-52
53-54
73-74
83-84
Index 139-150
Reader's Comment Forms
Attached Pages
to be Inserted* Preface iii-iv
contents v-vi
Summary of Amendments ix-xiv 29-30 51- 52.2
53-54
73-74
83-84
Index 139-150
Reader's Comment Forms
*If you are inserting pages from different Newsletters/Supplements and page numbers are involved, always use the pages with the
latest date (shown in the sluq at the top of the page). The page with
the latest date contains t;re most complete information.
Changes or additions to the text and illustrations are indicated by a vertical line to the left of the change. Summary of Amendments
This Technical Newsletter incorporates
technical and editorial changes.
changes reflecting minor liotg: Please file this cover letter at the back of the publication to
provide a record of changes. IBM Corporation, Programming Publications, Department G60, PO Box 6, Endicott, New York 13760 @ Copyright IBM Corp. 1981 Printed in U.S.A.

Oam Pro,t".e$Sjng Division 1 i33 WestCheSter Avenue, White fiains.J\LV. lGG04 IBM World Trade Americas/Fa .. East Corporation Tt)'"vn of Mount Reute9, North Tanytown, !\LY.,U,S,AlO591 IBM World Trade Europe/Middle East/Africa Corporation 10G01