Installable features

WebSphere MQ for z/OS comprises the following features:

Base
This is required; it comprises all the main functions, including
National language features
These contain error messages and panels in all the supported national languages. Each language has a language letter associated with it. The languages and letters are:
C
Simplified Chinese
E
U.S. English (mixed case)
K
Japanese
U
U.S. English (uppercase)
You must install the US English (mixed case) option. You can also install one or more other languages. (The installation process for other languages requires US English (mixed case) to be installed, even if you are not going to use US English (mixed case).)
Client Attachment feature
This is optional; it is only required if you are going to attach clients to your subsystem. When you have installed this feature, there are no configuration parameters to set before you can attach clients to WebSphere MQ for z/OS. Administration for clients is available even if you do not install this feature.
Java(TM) Support feature
This is optional; it is only required if you want to use Java and the Java Message Service. This is described in WebSphere MQ Using Java.