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).