What is TSO CLIST?

What is TSO CLIST?

CLIST (Command List) (pronounced “C-List”) is a procedural programming language for TSO in MVS systems. It originated in OS/360 Release 20 and has assumed a secondary role since the availability of Rexx in TSO/E Version 2. The term CLIST is also used for command lists written by users of NetView.

Where is CLIST in mainframe?

Clists are stored in the libraries allocated to the SYSPROC DD. REXX Execs are stored in the libraries allocated to either the SYSPROC DD or to the SYSEXEC DD. ISPF Panel definitions are usually stored in the libraries allocated to the ISPPLIB DD. All the ISPF Panels are generally stored in the ISPPLIB Libraries.

How do I create a CLIST in mainframe?

Create a data set using the allocate panel in ISPF (typically option 3.2 on the primary menu)….

1. Include the CLIST keyword on the EDIT command.
2. Enter and save your CLIST statements, TSO/E commands, and TSO/E subcommands.
3. Use subcommands of EDIT to modify the CLIST.

What does mainframe TSO stand for?

Time Sharing Option (TSO) is an interactive time-sharing environment for IBM mainframe operating systems, including OS/360 MVT, OS/VS2 (SVS), MVS, OS/390, and z/OS.

What is meant by CLIST?

What Does Command List (CLIST) Mean? CLIST (short for “command list”) is a programming language used for time sharing processes in complex storage systems. A CLIST program is a list of commands that can be executed together.

What is CLIST?

What is a CLIST? z/OS TSO/E Programming Guide. SA32-0981-00. The CLIST language is a high-level interpretive language that you use to work with TSO/E more efficiently. You can write programs, called CLISTs (or command procedures), that perform given tasks or groups of tasks.

How do I start a TSO session?

To start a TSO session On the COMMAND line, enter: TSO EX ‘ hlq. UBBSAMP(MainView)’ . Start a VTAM or EXCP MainView Alternate Access terminal session that executes the MainView CLIST. (For more information, see Using MainView Alternative Access.)

Which of the following variable is used to define in nested CLISTs and Clist Subprocedures?

GLOBAL variables are defined using the GLOBAL statement, and are fully described in Nesting CLISTs. Variables shared by subprocedures in one CLIST are called NGLOBAL (named global) variables.

How do I run a Clist in TSO?

To execute a CLIST, use the EXEC command. From an ISPF command line, type TSO in front of the command. In TSO/E EDIT or TEST mode, use the EXEC subcommand as you need to use the EXEC command.

How do you execute a TSO Rexx program?

To start a TSO session in order to run a CLIST or REXX exec:

1. Select the CLIST or REXX exec file on the Files view.
2. Click Start Debugging or Run on the Debug menu.
3. Click the TSO tab; the Clist or REXX exec to execute field contains the name of the file that you selected.
4. Click OK.

What is TSO segment?

If a user logs on to TSO and you have defined a TSO segment in the user’s profile, TSO checks the user’s authority to use certain TSO resources such as account numbers and logon procedures. If the user is authorized to use a resource such as an account number, TSO continues building a session for the user.

How to add a CLIST to the TSO logon procedure?

I want to add a clist to the TSO LOGON procedure. Or would like my clist to be executed when I logon to my mainframe id. How can I do this? all you have to do is type TSO ISRDDN or just ISRDDN in the ispf command line . find out the SYSPROC DD allocated to your terminal; do an edit and add your datset that has your clist program.

How to reset the mask in TSO ISPF?

The mask may be viewed at any time by using the MASK line command. To reset the mask, simply overtype on it when it is being displayed. This line indicates the current value of the Bounds.

What does autosave on do in TSO ISPF?

AUTOSAVE ON will save the data set automatically if you END without saving. AUTOSAVE OFF PROMPT will ask the user whether to save the data set or not when you exit. AUTOSAVE OFF NOPROMPT will quit without saving and without informing the user about it. This will automatically renumber the data when you insert lines and save them.

How do you test a CLIST in z / OS?

To test a CLIST, you simply execute it, correct any errors, and then re-execute it. For complete information about writing, testing, and executing CLISTs, see z/OS TSO/E CLISTs.