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File No. S360-48
GY28-2022-2
Program Logic
Version 8.1
IBM System/3S0 Time Sharing System
Time Sharing SuppDrt System
This publication describes the internal logic of the
IBM System/360 Time Sharing Support System (TSSS), a
system-recovery tool for the IBM System/360 Time
Sharing System (TSS/360). The intended audience is
those personnel involved in TSSS maintenance and those
system programmers involved in altering the design of
TSSS.
TSSS services allow the system programmer to gather
data for analyzing system software errors and to
correct these errors dynamically. TSSS also provides
services for monitoring and testing TSS/360.
This publication begins with an Introduction. The
main body of the text provides module descriptions for
Environment (interface with TSS/360), Language
(processing TSSS commands), and I/O (input and output)
routines. Flowcharts give greater detail of the
program logic than provided in the body of the
publication. Appendixes contain additional detailed
material for reference.
Prerequisite Publications
The reader should be familiar with the information
contained in:
IBM System/360 Time Sharing System: Time Sharing
Support system, GC28-2006.
Third Edition (September 1971)
This is a major revision of, and makes obsolete,
GY28-2022-1 and Technical Newsletters GN28-3154 and
GN28-3122. The flowcharts and module directory have been
updated and reorganized and a number of editorial changes
have been incorporated.
Changes to pages are indicated hy a bar (I) in the margin at
the left of the text. The har indicates that the adjacent
text contains a change.
This edition is current with Version 8, Modification I, of
the IBM Syste~/360 Time Sharing ~ystem (TSS/360), and remains
in effect for all subsequent versions or modifications of
TSS/360 unless otherwise noted. Significant changes or
additions to this publication will be provided in new
editions or Technical Newsletters. Before using this
puhlication, refer to the latest edition of IBM System/360
Time Sharing System: Addendum, GC28-2043, which may contain
information pertinent to the topics covered in this edition.
The Addendum also lists the editions of all TSS/360
publications that are applicable and current.
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 IBN 11103
printer using a special print chain.
Request for copies of IBM publications should be made to your IBM
representative or to the IBM branch office serving your locality.
A form is provided at the back of this publication for reader's
comments. If the form has been removed, comments may be addressed to
the IBM Corporation, System/360 Time Sharing System Programming
Publications, Department 6113,
Neighborhood Road, Kingston, New York 12401.