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ICS
INFORMATION CONTROL SYSTEM
~
Functional Specification
ICS
INFORMATION CONTROL SYSTEM
FUNCTIONAL SPECIFICATION
The reader should be familiar with OS/360 MFT and MVT concepts as
orovlded in the IBM SRL Manual 05/360 CONCEPTS AND FACILITIES,
For~ C28-6535. PARTITION and REGION are equivalent terrr.s and are
related to MFT and MVT, respectively. For. continuity, REGION
will De used throughout tnis manual.
10-27-67 Page 1
ICS FUNCTIONAL SPECIFICATION
TABLE OF CONTENTS
PAGE
1.0 INTRODUCTION 4
2.0 ICS SYSTEM CAPABILITY 5
2.1 OS/360 Environment S
2.2 rcs System Configuration 5
2.3 rcs Structure S
2.3.1 Functional Areas 6
2.3.2 Basic Requirements 7
2.3.2.1 Multi-Jobbing 7
2.3.2.2 Job Protection 8
2. 3.2.3 Da ta Protection 8
2.4 Data Language/I 8
2.4.1 Capabilities 8
2.. 4. 2 DL/I Data Base Organizations 10
2.4.3 Related rcs Functions 14
2.4.4 ICS-DL/r System Generation
considera tions 14
2.5 Communication Control 14
2. 5.1 Capabilities 15
2. 5. 2 Message Control 15
2. 5. 3 Message Format (6
2.5.4 Terminal Language 16
2.5. 5 System Messages
2.5.6 Master Terminal 17
2. 5. 7 rCS-Communication System
Generation Consideration 19
2.6 Application Scheduler 19
2. 6.1 Capabili ties 20
2. 6. 2 rcs Scheduling Algorithm 20
2. 6. 3 rCS-Scheduler System Generation
Consideration 2C
2. 7 Checkpoi nt 21
2.7.1 Conditions 21
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ICS FUNCTIONAL SPECIFICATION
2.7. 2 Checkpoint Commands 22
2. 8 IPL- Start 22
2.9 Restart 23
2.10 Typical Message Processing Program
Structure 23
2.11 ICS Utility Programs 26'
~~
2.11.1 ICS Sys Gen
2.11.3 DL/I-DBD Gen
2.11.~ ICS-DL/I DB Load/DUmp 26
2.11.4 ICS-PSB Gen 27
2.11.5 ICS-System Measurement 27
2.12 ICS-OS/360 System Creation 2