Mainframer的专栏

CICS Component 1.       Management modulesUser programs interface management modules to handle terminal I/O, file I/O, program loading and control, and access to other system resources.2.      

                                    CICS  DB2  Attachment Facility CICS TS for OS/390 comes with an attachment facility that allows you to operate DB2 with CICS. The DB2 system can be shared by se

The Structure of CICSThe CICS region is the area of storage that CICS manages. User programs share the CICS region with other CICS components.1.       Single region2.       CICSPlexWhen CICS i

 Resource Definition1. Resource definitions are descriptions of the types of applications and procedures that are used for individual data actions. Every CICS region has its own set of these resou

 The Communications between Terminals and CICS1.       Define the terminals in the CICS. Each terminal receives a Resource Definition called a Terminal Control Table Terminal Entry (TCTTE) that is

                                         CICS DomainCICS regions are divided into several domains, each with its own set of resources and functions. Domains communicate with each other by means of i

                         TRANSACTION的执行过程   When a TRANSID enters the CICS system1.       Transaction Manager (XM) search the Program Control Table (PCT) to validate the TRANSID. The PCT contains