Category: CICS

CICS Tutorial

CICS Tutorial part-1 CICS is a transaction procession system owned by IBM and runs under Z/OS operating system. CICS stands for Customer Information Control System which works as a front end for the business applications written in COBOL, PL/1, C, C++, Assembler, PHP and JAVA but most of the applications which CICS supports are written

CICS Scrolling logic with examples

CICS scrolling logic looks very simple in algorithm representation but implementing it practically so many questions arises. This topic is to clear all the queries related to CICS scrolling (page Up / Down) logic with suitable examples. Let me give few basic points before getting into detailed implementation logic. Decide the number of rows(MAX-SCRN-SIZE) to

MDT and its usage in CICS with examples

Modified data Tag (MDT) is the most important feature in CICS programming consisting of MAPS. One who involves in CICS programming needs to know the importance of it for efficient coding. It is stored in 7th bit of a attribute byte of a screen field with either ‘0’(OFF) or ‘1’ (ON) as the values.(Every input