CICS table

CICS = Customer Information Control System

CICS maintains the two table

1) PCT - Program Control Table

THe PCT contains the information about the Trans ID and name of the first program to run.

2) PPT - Processing Program Table

The PPT contains the inforamtion about the Program name and load-library address of the program.


While we entered the four digit Trans id into the CICS terminal (Web Browser), its first search the Trans ID in PCT tabel. If its find the Trans ID in PCT, then its search the Program to run in PPT table.

CICS put the Program into disk main storage to run. The Active and running instance are called Task.The output results are displayed on screen and the CICS transaction ends.

Note :

1) We should define the Program in PPT table before we use that Program
2) We should define the Trans Id in PCT tabel before we use the Trans ID.