Table of Contents
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PREFACE
This
publication
consists
of
self-
contained chapters, each of which
provides
information
on how to modify or extend the
capabilities
of
the
IBM
System/360
Operating System control program.
Although
the information in one chapter is sometimes
related
to
information
in
another,
all
chapters have been written as separate
and
complete
units.
Each chapter contains its
own introductory section and list
of
pre-
requisite
publications.
This organization
has been used to
reduce
cross-referencing
and
to
facilitate
the
addition
of
new
chapters.
Third Edition (March 1967)
This publication is a revision of Forms C28-6550-0
and
C28-6550-1
and
obsoletes
the
previous editions.
This publication retains the content
of the previous editions, as amended by Technical Newsletters
N28-2145,
N28-2157, N28-2162, N28-2183, N28-2188, and N28-2207, with the following
exceptions:
The
format and field description of the Data Set Control Blocks, the
Data Extent Block, and the Job File Control Block are dele-ted.
The chapter Cataloged Procedures is deleted.
Additions and changes to existing material that are effective
as
of
this edition, are indicated by a vertical bar in the left margin.
Specifications
contained
time.
Any such change will
Technical Newsletters.
herein
are subject to change from time to
be
reported
in
subsequent
revisions
or
This publication was prepared for production using an IBM computer to
update
the
text
and
to
control
the
page
and
line
format.
Page
impressions for photo-offset printing were obtained
from
an
IBM
1403
Printer using a special print chain.
copies of this and other IBM publications can be obtained through IBM
Branch Offices.
A form for readers' conunents appears at the back of this publication.
It
may
be
mailed
directly
to
IBM.
Address any additional conunents
concerning this publication to the IBM Corporation, Progranuning
Systems
Publications, Department D58, PO Box 390, Poughkeepsie, N. Y.
12602
~
International Business Machines corporation 1966, 1967
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