What is CLIST in mainframe?

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.[1]

What is address TSO in REXX?

The TSO command environment (ADDRESS TSO) can be used from a z/OS UNIX REXX environment, and is initialized with: address tso [command] where command can be any TSO/E command, CLIST, or REXX exec that can run in a batch TSO TMP.

What is REXX in mainframe?

REXX (REstructured eXtended eXecutor) is an interpretative programming language created by IBM in the 1970’s. Although it used on a wide range of platforms today, REXX was originally designed to run on the mainframe. REXX has the capability of issuing both commands and language calls to its host environment.

What is the CLIST?

z/OS TSO/E Programming Guide 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 you call TSO Rexx?

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.

How do you execute TSO commands in REXX?

How to Execute TSO, CLIST and REXX Commands

1. TSO – is time sharing option.
2. CLIST – It is a command list.
3. Allocate and activate your user CLIST library when you start a session.
4. Enter \% followed by the name of the CLIST to be run.
5. REXX – REXX is procedural language.

Where is Rexx used?

It is often used for processing data and text and generating reports; these similarities with Perl mean that Rexx works well in Common Gateway Interface (CGI) programming and it is indeed used for this purpose.

How do I run a CLIST?

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.

What is IBM CLIST?

The CLIST language is a high-level interpretive language that enables you to work more efficiently with TSO/E. You can write programs called CLISTs to perform routine and complex programming tasks on TSO/E. The term CLIST is short for Command List because the most basic CLISTs are lists of TSO/E commands.

How do you run a TSO command?

Use the TSO subcommand to:

1. Invoke a TSO/E command whose name is identical to an IPCS subcommand. See the description of the tsocmd parameter for information concerning authorized TSO/E commands.
2. Invoke a CLIST or REXX exec containing TSO/E commands whose names are identical to IPCS subcommands.
3. Enter TSO/E mode.

How do you call a CLIST?