What is CICS for iSeries? - IBM - AS/400

Customer Information Control System (CICS) is an online transaction processing (OLTP) system that provides:

  • Control of concurrently-running applications serving many online users.
  • The functions required by your application programs for communicating with remote and local terminals and subsystems
  • Control of files and databases in conjunction with the various IBM data access methods.
  • The ability to communicate with other CICS systems and database systems, using CICS intersystem communication (ISC).
  • An application programming interface that is invoked using EXEC CICS commands

CICS is available on a number of different platforms. Mainframe-based CICS includes:

  • CICS Transaction Server for z/OS™ Version 2
  • CICS Transaction Server for OS/390® Version 1
  • CICS/ESA Version 4
  • CICS Transaction Server for VSE/ESA™
  • CICS/VSE® Version 2

CICS for Open Systems includes:

  • TXSeries™ Version 5.0 for Multi-platforms, which contains:
    • CICS for AIX®
    • CICS for HP-US
    • CICS for Sun Solaris
    • CICS for Windows NT®
  • TXSeries Version 4.3 for AIX (which contains CICS for AIX)
  • TXSeries Version 4.3 for Sun Solaris (which contains CICS for Sun Solaris)
  • TXSeries Version 4.3 for Windows NT (which contains CICS for Windows NT)
  • TX Series Version 4.2 for HP-UX (which contains CICS for HP-UX)

CICS for OS/2® runs on IBM compatible personal computers. CICS for iSeries runs under the OS/400®operating system on iSeries and AS/400® systems.

The key features of the CICS family, allowing significant source compatibility and access to data and services across CICS systems, are:

  • Provision of transaction processing services
  • Common application programming interface
  • Intersystem communication (ISC)
  • Access to a range of database products
  • Data integrity for all users

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