IBM MAINFRAMES Mainframe Concepts Introduction to IBM Mainframe Systems. IBM Mainframe Architecture. Data and Job Management. Operating Systems. TSO, ISPF. ADMIN MODULE COBOL Introduction to COBOL and its versions. COBOL Program Structure. Field Declaration – Data Types. COBOL Statements ACCEPT DISPLAY MOVE INITIALIZE IF STATEMENT. STRING and UNSTRING. COMPUTE. Computational Usages. STOP RUN, GOBACK, EXIT PROGRAM. FILE HANDLING How to use files in COBOL Program? File Programming using Sequential, Indexed and Relative Files. Realtime programs using Files. TABLE HANDLING Array Declaration. Using arrays in programs with. Search & Search All. Subscripting & Indexing. JCL (Job Control Language) Introduction to JCL – Batch Processing (JES2 & JES3). JOB, EXEC and DD statements - Parameters. JOBLIB, STEPLIB and JCLLIB. Symbolic & Overriding Parameters. Instream & Cataloged Procedures. Temporary Datasets. RESTART, PARM, COND, Referback, DUMMY, TYPRUN. GDG and its uses Sorting & Merging files. Reformatting file data. INCLUDE, OMIT JCL Errors and resolving abends. Coding Realtime JCLs. VSAM (File Concept) Introduction to VSAM. VSAM Datasets – ESDS, KSDS, RRDS. Space Management. Alternate Indexes. Dataset Structures. Defining Clusters. IDCAMS – Repro, Print, Alter, Delete. Start , Invalid Key. Accessing VSAM files from COBOL. File status codes and abend codes. Coding Programs using VSAM Files. CICS (Customer Information Control System) Introduction to CICS. Batch vs Online Systems. CICS System Tables. Triggering CICS Transactions. Conversational and Pseudo-conversational Programming. BMS Macros – Maps and Mapsets. CICS Commands EIB Commarea Exceptional Conditions. Handle Condition. Ignore Condition. RESP. Control Operations TDQs and TSQs. Return, XCTL and LINK. ASKTIME, FORMATTIME, START, ATI, CANCEL. CICS Abend Codes and Resolutions. Coding Online programs using COBOL, CICS, VSAM and DB2. Tools File-Aid for files & DB2. Changeman. Xpeditor. Software Engineering Application development covering all phases of SDLC. Quality Management. Documentation.