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z/VM: CP Commands and Utilities Reference - z/VM - IBM

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DEFINE SUBSTITUTE<br />

►►<br />

DEFine<br />

Authorization<br />

Purpose<br />

Oper<strong>and</strong>s<br />

SUBstitute<br />

Usage Notes<br />

alias<br />

userid<br />

OFF<br />

Privilege Class: A<br />

Use DEFINE SUBSTITUTE to define which virtual machine is actually used as the<br />

target for IUCV communication requests addressed to a specified alias user<br />

identifier.<br />

alias<br />

is the substitute to be defined. The alias may not be the user identifier of a<br />

virtual machine that is defined in the <strong>CP</strong> User Directory.<br />

userid<br />

specifies the user identifier for which the substitute is to be set or cleared.<br />

OFF<br />

removes the substitute for the user.<br />

DEFINE SUBSTITUTE<br />

1. A substitute may be used to refer to a virtual machine by another name (user<br />

identifier) for the purposes of inter-machine communication using IUCV. Any<br />

communications addressed to the substitute will be redirected to the specified<br />

virtual machine.<br />

2. A substitute may be defined or removed for a virtual machine regardless of<br />

whether it is logged on. If a substitute is removed, existing IUCV communication<br />

paths that were established using it are not affected.<br />

►◄<br />

Chapter 2. <strong>CP</strong> <strong>Comm<strong>and</strong>s</strong> 189

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