SYSEXV Utility

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# SYSEXV Utility

The utility SYSEXV utility provides example programs that demonstrate the use of Natural features introduced in the current or a previous version of Natural.

All example programs are available as source objects. You obtain detailed functionality descriptions when you execute the programs.

This document covers the following topics:

- Executing Example Programs

- PF Keys

- Terminating an Example Program or the SYSEXV Utility

## Executing Example Programs

To execute an example program

1. Enter the following system command:

       SYSEXV

   A SYSEXV menu is displayed which lists Natural version(s) and categories.

2. Select a version or a category.

   A commented list of Natural features and corresponding programs is displayed.

3. Choose the required feature/program.

   The program is executed.

## PF Keys

You can use the following PF keys:

PF Key | Name | Function
--- | --- | ---
PF1 | Help | Display the help text.
PF3 | Exit | Exit the SYSEXV utility, or the current menu or window.
PF5 | All | Select all items of the current page.
PF7 | Prev | Scroll one page up.
PF8 | Next | Scroll one page down.
PF12 | Canc | Exit the SYSEXV utility.

You can also enter the name of a PF key in the command line, to perform the corresponding function.

## Terminating an Example Program or the SYSEXV Utility

To terminate an example program

- Press PF3 (Exit).

To terminate the SYSEXV utility

- In the SYSEXV utility menu, press PF3 or PF12, or

  enter a period (.) in any line, or

  enter `EXIT` or a period (.) in the command line.

  Or:
  In an example program, press PF12 (Canc).

### On this page

- Executing Example Programs
- PF Keys
- Terminating an Example Program or the SYSEXV Utility