How CICS program is executed?

How CICS program is executed?

How CICS program is executed?

In the time it takes to process one transaction, the system might receive messages from several terminals. For each message, CICS loads the application program (if it is not already loaded) and starts a task to execute it. Thus, multiple CICS tasks can run concurrently.

Which command is used to check syntax CICS?

CECI
Many CICS commands can be executed using CECI. CECI is used to check the syntax of the command. It executes the command, only if the syntax is correct. Type the CECI option on the empty CICS screen after having logged in.

How does a CICS program work?

CICS provides services for running an application online, by request, at the same time as many other users are submitting requests to run the same applications, using the same files and programs. CICS manages the sharing of resources, the integrity of data and prioritization of execution, with fast response.

What are the commands for logon and logoff in CICS?

Use the CESF transaction to sign off from the CICS system….CESF – sign off

  • Writes the signoff message to your terminal.
  • Logs the message on the transient data destination CSCS.
  • Logs any error message on the transient data destination CSMT.

How do I write a CICS program?

CICS Program

  • Login to Mainframes and open a TSO Session.
  • Create a new PDS in which we will be coding our program.
  • Create a new member inside the PDS and code the following program −
  • After coding the program, we need to compile it.
  • Open a CICS session.
  • We will now install the program using the following command −

What is CICS terminal?

CICS is a DB/DC system which is used in online applications. CICS was developed because batch operating system can execute only batch programs.

How do I start a CICS transaction?

You start a CICS transaction by pressing the CLEAR key to clear the screen, and entering the transaction identifier, either by itself or followed by data, on the command line of the screen. The command line is a single line, usually at the top of the screen.

How do I test a CICS program?

Testing the CICS Cobol Sample

  1. Step 1 – Compile the Sample Program. Customize the JCL.
  2. Step 2 – Create a CICS Transaction to run the Sample Program. Create a CICS transaction to run the program SSATST1.
  3. Step 3 – Ensure CICS Socket Support is Enabled.
  4. Step 4 – Start the SSA-NAME3 Server.
  5. Step 5 – Run the Transaction.

How do I find my CICS program?

CICS looks up the transaction ID code in the Program Control Table (DFHPCT) and extracts from that table the name of the program (or at least the first program) that is to process the transaction.

What is start command in CICS?

A local EXEC CICS START command generated from a transient data (TD) trigger. A local asynchronous EXEC CICS START command received from an event processing (EP) adapter. An EXEC CICS START command that specifies a TERMID or a USERID parameter value.