Natural under z/OS

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# Natural under z/OS

This document contains an overview of special considerations that apply when you are running Natural under z/OS.

- Natural Subsystem

- TP Monitor Interfaces

- Interfaces to Database Management Systems

- Natural in Batch Mode under z/OS

- Natural as a Server under z/OS

## Natural Subsystem

A Natural subsystem under z/OS consists of the following components:

- one or more Global Buffer Pools,

- an Authorized Services Manager,

- a Roll Server.

The Natural subsystem is identified by the Natural profile parameter `SUBSID` and by corresponding startup parameters for the components mentioned above. The default subsystem name is `NATv`, where `v` is the first digit of the current Natural version.

Via the Natural subsystem technique, multiple roll servers can be used simultaneously and multiple independent sets of global buffer pools can be created - in fact, multiple Natural runtime environments can be created which will be totally independent of one another.

## TP Monitor Interfaces

For information on the TP monitor interfaces that are available with Natural under z/OS, refer to the following sections in the TP Monitor Interfaces documentation:

- Natural under Com-plete

- Natural under CICS

- Natural under TSO

- Natural under IMS TM

## Interfaces to Database Management Systems

Except for Software AG's database management system Adabas, all operations requiring database interaction are performed by a corresponding Natural interface module.

For information on the database interfaces that are available with Natural under z/OS, refer to the following sections in the Database Management System Interfaces documentation:

- Natural for Db2

- Natural for VSAM

## Natural in Batch Mode under z/OS

See Natural in Batch Mode (All Environments) and Natural in Batch under z/OS.

## Natural as a Server under z/OS

Besides being a programming language, Natural can also act as a server in a client/server environment. For detailed information, see Natural as a Server under z/OS.

### On this page

- Natural Subsystem
- TP Monitor Interfaces
- Interfaces to Database Management Systems
- Natural in Batch Mode under z/OS
- Natural as a Server under z/OS