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Introduction

See:
Description

Packages
com.ibm.jzos |
com.ibm.jzos.fields |
com.ibm.jzos.sample |
com.ibm.jzos.sample.fields |

## Introduction

The JZOS Toolkit consists of classes in package `com.ibm.jzos`, which is distributed with the IBM Java SDKs for z/OS, version 1.4 (31 bit), and 5.0 (31 and 64 bit). These classes depend on a Java Native Interface (JNI) library which is packaged with the supported IBM z/OS Java SDKs.

The JZOS toolkit classes may be used in conjunction with the JZOS Batch Launcher, but may also be used other JVM containers, including Websphere and the Unix System Services "java" command line launcher.

Key classes in the `com.ibm.jzos` package include:

`ZFile`
  A thin wrapper for many of the z/OS C library I/O functions. Also includes and interface to BPXWDYN (text based interface to MVS dynamic allocation)
`ZUtil`
  An interface various z/OS native functions, excluding I/O.
`FileFactory`
  A class with static factory methods for building a platform-portable BufferedReader, BufferedWriter, InputStream, or OutputStream on a text file or MVS dataset.
`MvsConsole`
  An interface to the MVS Operator console and job log

### Sample Programs

Also included in the JZOS toolkit is package `com.ibm.jzos.sample` which contains several sample programs

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