System Commands Grouped by Category

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# System Commands Grouped by Category

This document is a summary of Natural system commands grouped by category.

- Navigating in Natural

- Natural Development Environment

- Managing Applications with Natural Objects

- Monitoring, Debugging and Tracing

- Natural with Other Products

## Navigating in Natural

Command | Brief Description
--- | ---
`FIN` | Terminates a Natural session.
`LAST` | Displays the system commands that were last executed, and allows you to execute them again.
`LOGOFF` | Causes the library ID to be set to `SYSTEM` and the Adabas password to be set to blanks. The contents of the source program work area are not affected by this command.
`LOGON` | Establishes a library ID for the user. In the specified library, all source or object programs saved during the session will be stored (unless you explicitly specify another library ID in a `SAVE`, `CATALOG` or `STOW` command).
`MAINMENU` | Switches Natural main menu mode on or off, or invokes a program which creates a user-defined menu.
`RETURN` | Returns to a return point set by a `SETUP` command.
`SETUP` | Establishes a return point to which control can be returned using a `RETURN` command. This allows you to easily transfer from one application to another during a Natural session.

## Natural Development Environment

Command | Brief Description
--- | ---
`AIV` | Displays all user-defined application-independent variables (AIVs) which are currently active.
`COMPOPT` | Sets compilation options that affect the way in which Natural objects are compiled.
`CPINFO` | Displays Natural code page settings such as the contents of the system variables `*LOCALE` and `*CODEPAGE`, and the code page definitions in the `NATCONFG` configuration module.
`GLOBALS` | Changes the settings of Natural session parameters.
`HELP` | Invokes the Natural help system.
`KEY` | Assigns functions to keys to be used in your Natural session.
`LAST` | Displays the system commands that were last executed, and allows you to execute them again.
`LIST XREF` | Displays all active cross-reference data for the current library. (Only available if Predict is installed.)
`NATQVS` | Displays information (for example, CPU ID and logical partitions) about the machine on which Natural runs.
`SYSAPI` | Only applies to products that provide application programming interfaces (APIs). Invokes the SYSAPI utility to locate APIs if provided by the products installed at your site.
`SYSCP` | Invokes the SYSCP utility to view code page information and administrate code pages for Natural source objects.
`SYSEXT` | Invokes the SYSEXT utility with Natural application programming interfaces.
`SYSEXV` | Invokes the SYSEXV utility with examples of the new features of the current Natural versions and debugging hints.
`SYSFILE` | Invokes the Natural Print/Work Files function of the SYSTP utility for information on the print files and work files available.
`SYSPARM` | Changes the settings of Natural profile parameters.
`SYSPROD` | Displays a list of the products installed at your site, and information on these products.
`SYSPROF` | Displays the current definitions of the Natural system files.
`UPDATE` | Prevents database updating being carried out by a program.
`XREF` | Controls the use of the Predict function "active cross-references". This function automatically creates documentation in Predict about the objects which a program/data area references. (Only available if Predict is installed.)

## Managing Applications with Natural Objects

Command | Brief Description
--- | ---
`CATALL` | Catalogs (compiles) all objects or selected objects in the current library.
`CATALOG` | Catalogs (compiles) the source code currently in the editor work area, and if the syntax has been found to be correct, stores the resulting cataloged object in the Natural system file.
`CHECK` | Checks that the source code currently in the editor work area does not contain any syntax errors. Syntax checking is also performed as part of the system commands `RUN`, `CATALL`, `CATALOG` and `STOW`.
`CLEAR` | Clears the contents of the editor work area.
`DELETE` | Deletes a source object and/or the corresponding cataloged object from the Natural system file.
`EDIT` | Opens an editor to create or modify source code.
`EXECUTE` | Executes a cataloged (compiled) program that has been stored as a cataloged object in the Natural system file.
`INPL` | Invokes the INPL utility. It is only used for the loading of installation data sets into the system files.
`LIST` | Lists one or more objects contained in the current library or the contents of the editor work area.
`READ` | Transfers a source object from the Natural system file to the editor work area.
`RENAME` | Changes the name of an object or the name and the type of an object.
`RENUMBER` | Renumbers the source code currently in the editor work area.
`ROUTINES` | Shows you which objects in the current library use which external subroutines.
`RUN` | Compiles and executes the source program currently in the work area of the editor.
`SAVE` | Stores the source code currently in the editor work area as a source object in the Natural system file.
`SCAN` | Searches for a character string within a source with the option to replace the string.
`STOW` | Catalogs (compiles) and stores source code as both a source object and a cataloged object in the current Natural system file.
`STRUCT` | Performs structural indentation of a program source and helps detecting structural inconsistencies.
`SYSDDM` | Creates and maintains Natural data definition modules (DDMs).
`SYSERR` | Creates and maintains the messages you wish your Natural applications to display to the users.
`SYSMAIN` | Transfers Natural objects within the Natural system from one library to another.
`SYSNCP` | Creates and maintains the command processors to be used in your Natural applications.
`SYSOBJH` | Processes Natural and non-Natural objects for distribution in Natural environments.
`SYSRPC` | Invokes the SYSRPC utility to create and maintain remote procedure calls, that is, provides the settings necessary to execute a subprogram located on a remote server.
`UNLOCK` | Displays locked Natural objects with the option to unlock them.
`WHICH` | Lists objects in the libraries used at run time in the Library Search Order.

## Monitoring, Debugging and Tracing

Command | Brief Description
--- | ---
`BUS` | Invokes the Buffer Usage Statistics function of the SYSTP utility. `BUS` provides statistical information on the usage of Natural buffers.
`DUMP` | Provides information for support personnel in order to locate an error that caused an abnormal termination (abend) of the Natural system.
`HELP` | Invokes the Natural help system.
`LASTMSG` | Displays additional information on the error situation which occurred last.
`PROFILER` | Invokes the Profiler utility to control and maintain trace data recorded by the Natural Data Collector. See also the system command `RDC`.
`RDC` | Used in conjunction with the Profiler utility to activate or deactivate the trace recording function of the Natural Data Collector. See also the system command `PROFILER`.
`RPCERR` | Displays the last Natural error number and message if related to Natural RPC (Remote Procedure Call), and the last EntireX Broker reason code and associated message.
`SYSADA` | Invokes the ADACALL utility to issue Adabas direct calls (native commands) directly to an Adabas database. (Only available if Adabas is installed.)
`SYSBPM` | Invokes the SYSBPM utility to monitor the buffer pool and adjust it to meet your requirements.
`SYSEDT` | Invokes the SYSEDT utility to display runtime information of the editor buffer pool, modify its parameters, and delete logical work and recovery files.
`SYSTP` | Invokes the SYSTP utility to monitor and control TP-monitor-specific characteristics of Natural.
`TECH` | Displays technical and other information on your Natural session.
`TEST` | Invokes the Natural debugger for online testing and debugging. The Natural debugger allows you to test various aspects of your applications and locate errors in the processing flow of programs.
`TEST DBLOG` | Invokes the DBLOG utility for logging database calls.

## Natural with Other Products

The following system commands are only available in connection with other products installed at your site:

Product | Command | Brief Description
--- | --- | ---
Adabas | `SYSADA` | Invokes the ADACALL utility to issue Adabas direct calls (native commands) directly to an Adabas database.
Natural for Db2 | `LISTSQLB` | Invokes the Explain all SQL Statements function of Natural Tools for Db2. See Using Natural Tools for Db2 in the Database Management System Interfaces documentation.
`SQLDIAG` | Provides diagnostic information about the last SQL statement (other than a GET DIAGNOSTICS statement) that was executed. This diagnostic information is gathered as the previous SQL statement is executed. Some of the information available through the GET DIAGNOSTICS statement is also available in the SQLCA.
`SYSDB2` | Invokes Natural Tools for Db2 with functions required to maintain Db2 applications. See Using Natural Tools for Db2 in the Database Management System Interfaces documentation.
`LISTDBRM` | Displays existing DBRMs (Natural for Db2) of Natural programs or Natural programs referencing a given DBRM (or package).
`LISTSQL` | Generates a list of those Natural statements in the source code of an object which are associated with a database access. Also, it displays the corresponding SQL commands these Natural statements have been translated into. This enables you to view the generated SQLCODE before executing a Natural program which accesses an SQL table.
`SQLERR` | Displays diagnostic information about the most recent SQL error.
Natural Optimizer Compiler | `NOCOPT` | Displays the current settings of the Natural Optimizer Compiler options as they were specified during Natural startup, and allows you to change these settings.
`NOCSHOW` | Provides buffer information on the output generated by the `PGEN` option. `PGEN` causes the Natural Optimizer Compiler to output generated code and internal Natural structures.
`NOCSTAT` | Provides statistical data on programs suitable for processing by the Natural Optimizer Compiler.
Natural Security | `MAIL` | Invokes a mailbox to modify its contents and/or expiration date. A mailbox is used as a notice board to broadcast messages to Natural users.
`PROFILE` | Displays the security profile currently in effect. This profile informs you of the conditions of use in effect for you in your current Natural environment.
Predict | `LIST XREF` | Displays all active cross-reference data for the current library.
`XREF` | Controls the use of the Predict function "active cross-references". This function automatically creates documentation in Predict about the objects which a program/data area references.
Natural Batch for zIIP, Natural for CICS for zIIP, Natural for Com-plete for zIIP Natural for IMS for zIIP | `ZIIP` | Invokes statistics on IBM System z Integrated Information Processors (zIIPs) used in a Natural z/OS environment. See also the Natural for zIIP documentation.
Various products | `SYSAPI` | Invokes the SYSAPI utility to locate application programming interfaces (APIs) if provided by the products installed at your site.

### On this page

- Navigating in Natural
- Natural Development Environment
- Managing Applications with Natural Objects
- Monitoring, Debugging and Tracing
- Natural with Other Products